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LayYouIn
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Marijuana Stealth Grow Box #2
#8005414 - 02/10/08 04:50 PM (15 years, 11 months ago) |
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here's the floor plan so far...

...the smaller area marked off by the dots it going to be the space i use for ventilation(a series of vents that keeps light from escaping). the actual grow space will be 18" x 18".
i have a 150 watt HPS that is already wired up with a remote ballast. that would be 66.6 watts per sq foot. the light will hang by chain and will be able to move up and down by hanging it from different links in the chain.
i was planning on growing Low Ryder, but i've read that regenerating them with seeds will give a person larger plants. so i need enough room for an average sized small plant..
how tall should i make this box?
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LayYouIn
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Re: Marijuana Stealth Grow Box #2 [Re: LayYouIn]
#8006370 - 02/10/08 08:21 PM (15 years, 11 months ago) |
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change of plans...im think im going to go with 2' x 2' of growing area and just use a 250 watt HPS. make it 5' tall. but the box will actually be 3' wide, then ill leave that extra foot(which will be 2' x 1' x 5' high) for the ventilation.

how many plants do you think i could fit in there? what about low ryder plants? any suggestions?
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ApJunkie
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Re: Marijuana Stealth Grow Box #2 [Re: LayYouIn]
#8011073 - 02/11/08 09:40 PM (15 years, 11 months ago) |
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I've been thinking about a situation exactly like this recently. For research purposes....
you can save a little room inside your grow cabinet by putting all your filters and fans out the back and having nothing but the light (and attached ducting) inside. Of course, if stealth is your aim, that probably won't be the best choice because of noise concerns.
Have you seen this link yet? probably the best stealth/micro grow I've ever seen; MOD EDIT: no non sponsor links (note: I apologize if the above link is breaking any rules... I wasn't sure....)
Edited by royer9864 (02/12/08 05:09 AM)
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ApJunkie
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Re: Marijuana Stealth Grow Box #2 [Re: ApJunkie]
#8011085 - 02/11/08 09:43 PM (15 years, 11 months ago) |
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Oh an also, if you're doing DWC with a 5' tall closet I don't think you need to do lowryder. Just put clones from good genetics directly into flowering (assuming a mother plant is even an option... if you're doing a stealth grow it probably isn't) and you'll end up with short plants crankin' out dank nugs.
Edited by ApJunkie (02/11/08 09:44 PM)
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gilrand
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Re: Marijuana Stealth Grow Box #2 [Re: ApJunkie]
#8013180 - 02/12/08 12:40 PM (15 years, 11 months ago) |
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Heya,
In 2'x 2' you'll easily house six or even 9 small plants or two pinched big plants I'd make it a foot or two higher if possible to be able to grow taller plants... Gotta remember that 250W HPS uses around a foot vertical space itself and another below it to keep the plants from frying! I have a space around the similar to yours but about 7 foot tall and currently having 2 plants which take all the 2' x 2' space, but previously had 6 plants in a bit narrower 2' x 1,5' space. I hope I ain't mixing your american units 
For strains I would go for something else than Lowryder (potency is decent but yields are not). If you can get hold of some clones I'd go for them. Otherwise find some nice shorter (Indica?) strains to grow. I myself am growing Euforia from DP which is great for spaces like mine (or yours) as it grows ALOT of branches (even without pinching the top shoot) instead of growing heavily lenght.. It's interesing at least, in my opinion 
Hope this helps
//Gilrand
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ApJunkie
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Re: Marijuana Stealth Grow Box #2 [Re: gilrand]
#8013246 - 02/12/08 01:00 PM (15 years, 11 months ago) |
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Hey Gilrand, What about shorter plants? If you just topped them and then tied them down Scrog style couldn't you get a nice 3-4 plant system only about 4-5 feet tall? vertical space is an issue of sorts in my case (not sure about the OP), so keeping the cabinet under 5 feet is somewhat important.
The cab I posted originally was only 3 feet tall, but I'm guessing that's a master grower who's able to train his plants that style. Let me know if you'd like me to PM you the link so you can check it out.
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gilrand
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Re: Marijuana Stealth Grow Box #2 [Re: ApJunkie]
#8013333 - 02/12/08 01:27 PM (15 years, 11 months ago) |
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Hey hey,
Sure, in my opinion scrogging is much better and more efficient way (easy to use whole space of the grow"room", lighting is scatters evenly on colas, etc) to do stealth grows than just choosing the easiest Lowryder (which can be grown ever in computer casing). It needs a bit more attention but usually thats not a problem as at least I like to keep close eye on my plants
Some strains are more well suited to scrogging than others but generally its not so strict. I would think that it wouldn't be so wise to choose some crazy growing sativas in vertically such restricted space 
And yeah, I'd like to see that page so PM me if you can 
//Gilrand
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Zinglons Acolyte
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Re: Marijuana Stealth Grow Box #2 [Re: gilrand]
#8014088 - 02/12/08 05:34 PM (15 years, 11 months ago) |
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if youre already looking at lowryder, you might want to consider lowryder hybrids instead
search up lowlife seeds and mdanzig seeds, theyre two breeders of small autos with abut the same stature, but much better smoke, in general under ideal conditions, they yeild 10g to an ounce
lowlife has ak47, white russian, and hindu kush genetics that he has the autoflowering genes stabilized in, also has f1's of the aforementioned, but unless you want diversity id go with the straight ones, cause they breed true, and you need to ake seeds with autoflowers also has something lovingly called "clusterfucks" which basically he put a bunch of random af strains in a room and grew seed from them for several generations
mdanzig has master kush, powerstout (which was an indica bag seed), and bluestreak, which is master kush as the base for the af gene and then crossed with dj shorts blueberry
hope i didnt sound too much like an advertisement  autoflowers are something ive been looking into for myself, and ive done quite a bit of research on them and these are just the two main full autoflower breeders i know
-------------------- And they wandered off.. nine ways till bedfast. ----- "And lets pray that there's intelligent life somewhere up in space 'cause theres bugger-all down here on earth!" -Monty Python's "The Universe Song" from The Meaning of Life "In the beginning, the universe was created. This has made a lot of people very angry and has been widely considered as a bad move." -Douglas Adams "The Hitchhikers Guide to the Galaxy" "If the words 'life, liberty and the pursuit of happiness' don't include the right to experiment with your own consciousness, then the Declaration of Independence isn't worth the hemp it was written on." -Terence McKenna
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LayYouIn
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Re: Marijuana Stealth Grow Box #2 [Re: gilrand]
#8014522 - 02/12/08 07:19 PM (15 years, 11 months ago) |
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Quote:
ApJunkie said: you can save a little room inside your grow cabinet by putting all your filters and fans out the back and having nothing but the light (and attached ducting) inside. Of course, if stealth is your aim, that probably won't be the best choice because of noise concerns.
the first box i made(which was about 3' tall, like yours), i made it so that the air vented out of the back, but i didn't like it because i had to keep the box a distance from the wall and i felt it wasn't as stealth. in the new design, im planning on having that metal tubing stuff wrap around as much as i can(so light wont get out) with metal filters on the side of the box.
i only want one grow box, so clones isn't an option...unless it would be possible to maybe grow 4 tall plants, start flowering, then clone the females....? i haven't grown yet, but i've read a bit.
edit: PM me that link. 
Quote:
gilrand said: Heya,
In 2'x 2' you'll easily house six or even 9 small plants or two pinched big plants I'd make it a foot or two higher if possible to be able to grow taller plants...
i was thinking about making it a foot taller...so, ill go with 6' in height. when you say 6-9 small plants, do you mean Low Ryder strain, or any strain? it would be nice to able to grow other strains.
does the 250 watt HPS have to stay a full foot away from the tops of the plants?
would i be able to use the 150 watt HPS for anything? i was thinking of maybe putting it in between the plants when they are flowering....?
Edited by LayYouIn (02/12/08 07:53 PM)
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gilrand
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Re: Marijuana Stealth Grow Box #2 [Re: LayYouIn]
#8016384 - 02/13/08 05:58 AM (15 years, 11 months ago) |
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Heya,
With small plants I didn't mean any specific strain, just untopped plants with short vegging that don't take too much space horiontally.. I agree with Zinglons Acolyte that if you want to try lowryder get hybrids as the original lowryder strain has alot of minifenos with plants as small as 4 inch tall when mature This is one of mine with height less than 6 inches:

You need somekind of cooltube / coolshade to be able to keep 250W HPS closer than a foot from the plants. I have a coolshade and keep it about ½ - 1 foot from the tops. You can use the 150W one as an extra light, but gotta remember than HPS lights create large amount of heat so you'd have to insulate it somehow so the plants won't burn if you put the light between them 
//Gilrand
PS. Thanks for the link ApJunkie
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LayYouIn
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Re: Marijuana Stealth Grow Box #2 [Re: gilrand]
#8019231 - 02/13/08 07:52 PM (15 years, 11 months ago) |
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how exactly does a carbon scrubber work? is it basically a fan that sucks air through a tube, and filter-carbon-filter inside of the tube? would that cause a computer fan to burn out or is a special fan needed?
could i have a carbon scrubber suck air out of the grow area and into another area within my box, and have that air pushed(by the carbon scrubber fan) out through vents? im trying to trap light.
for my ventilation, im planning on having two separate areas, one for intake, one for outtake, all inside the box, and that both trap light.
here's a quick picture of what i mean...
Edited by LayYouIn (02/14/08 11:57 PM)
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gilrand
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Re: Marijuana Stealth Grow Box #2 [Re: LayYouIn]
#8021196 - 02/14/08 06:55 AM (15 years, 11 months ago) |
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Quote:
LayYouIn said:
could i have a carbon scrubber suck air out of the grow area and into another area within my box, and have that air pushed(by the carbon scrubber fan) out through vents? im trying to trap light.
Sure 
//Gilrand
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Magash
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Re: Marijuana Stealth Grow Box #2 [Re: gilrand]
#8021322 - 02/14/08 08:01 AM (15 years, 11 months ago) |
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Some plants in dixie cups. Clones that were flowered as soon as they rooted.

How to use a small space
 
 
-------------------- All creatures tremble when faced with violence. All creatures fear death, all love life. If we can only see ourselves in others, then how could we possibly hurt another creature?
Join us at the Growery!
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LayYouIn
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Re: Marijuana Stealth Grow Box #2 [Re: Magash]
#8024649 - 02/14/08 09:30 PM (15 years, 11 months ago) |
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so how do i calculate how much air i need to pump out of the box? it'll be 24 cubic feet. would one 92mm fan that's rated "Airflow: 48.0 CFM" be okay? i remember on overgrow.com, they said i would need more for the smaller box i built. if the fan(s) is/are used with a carbon scrubber, will it/they still remove the same amount of air?
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Zinglons Acolyte
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Re: Marijuana Stealth Grow Box #2 [Re: LayYouIn]
#8024974 - 02/14/08 10:37 PM (15 years, 11 months ago) |
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CFM= cubic feet per minute
48 cfm shuold be plenty for that, as that means that the air will be replaced twice a minute for such a small cab u dont really even need that much airflow, 10 cfm + yeast co2 would prolly be plenty enough
-------------------- And they wandered off.. nine ways till bedfast. ----- "And lets pray that there's intelligent life somewhere up in space 'cause theres bugger-all down here on earth!" -Monty Python's "The Universe Song" from The Meaning of Life "In the beginning, the universe was created. This has made a lot of people very angry and has been widely considered as a bad move." -Douglas Adams "The Hitchhikers Guide to the Galaxy" "If the words 'life, liberty and the pursuit of happiness' don't include the right to experiment with your own consciousness, then the Declaration of Independence isn't worth the hemp it was written on." -Terence McKenna
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LayYouIn
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what about with a carbon scrubber? would that slow down the air flow from a specific CFM fan or would it still be the same? would having more air flow be bad in any way? thanks.
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LayYouIn
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Re: Marijuana Stealth Grow Box #2 [Re: LayYouIn]
#8025521 - 02/15/08 12:34 AM (15 years, 11 months ago) |
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so i read that ill need a blower...
would something like this...
[...at the top of my grow with a carbon scrubber attached to the exhaust work well? am i on track?
Edited by royer9864 (02/15/08 05:22 AM)
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Zinglons Acolyte
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Re: Marijuana Stealth Grow Box #2 [Re: LayYouIn]
#8026303 - 02/15/08 08:57 AM (15 years, 11 months ago) |
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along the lines of positively pressurized systems, computer fans for inrake and a passive exhaust carbon scrubber exhaust might work
like, put several in various areas of the box, make the air currents work to your advantage
90mm fans would work perfectly, maybe 6 or 7 of them and just get a $20 200 watt power supply and u can rewire the molex plugs so that the wires are a lot longer, then get the adapters for computer fan plug
and for exhauset have a large duct, you could run it from a cool tube then have the carbon on the ooutside, using the air pressure inside the box to force air through the cool tube and out through the carbon scrubber
otherwise if u get a more powerful fan, it could be used along the same lines as what i just said, or you could use it as an active exhaust with the carbon filter
you probably want negative pressure in your growbox though, so id go with a more powerful fan set as an active exhaust, and then drill several holes for passive air intake, that insures that even if it not exactly airtight the smell is forced through the carbon filter
more powerful fans arent nessecary, but they help in a negatively pressurized system like this, the carbon filter could slow down the air flow a bit
and the cool tube has two functions really, it keeps the hps cool, and it heats the air before going to the carbon filter, possibly increasing the effectiveness? just remember to have a slightly larger carbon scrubber than you need
just make sure you have adequate intake and that your intake holes dont whistle lol
-------------------- And they wandered off.. nine ways till bedfast. ----- "And lets pray that there's intelligent life somewhere up in space 'cause theres bugger-all down here on earth!" -Monty Python's "The Universe Song" from The Meaning of Life "In the beginning, the universe was created. This has made a lot of people very angry and has been widely considered as a bad move." -Douglas Adams "The Hitchhikers Guide to the Galaxy" "If the words 'life, liberty and the pursuit of happiness' don't include the right to experiment with your own consciousness, then the Declaration of Independence isn't worth the hemp it was written on." -Terence McKenna
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LayYouIn
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i already have two 5" computer fans that are wire up to an adapter...but i was thinking of just getting a blower and putting a carbon filter on it. i'd much rather have passive air intake. then i could use my two 5" fans for air circulation inside the box.
can these blowers be set up so that the speed of them can be adjusted?
how big of a blower would i need for my box that is 24 cubic feet? i think i read that they should be twice the size or something like that.
would one blower cool down the box with the 250 watt HPS in it? what about when i add the 150 watt HPS for flowering?
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Zinglons Acolyte
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Re: Marijuana Stealth Grow Box #2 [Re: LayYouIn]
#8028158 - 02/15/08 04:59 PM (15 years, 11 months ago) |
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id say upwards of 30ish cfm would be ok, just go for an in line ducting fan, and if possible you can even vent up into the attic
your cabinet is pretty small so u dont need the most powerful fan u can get for it

use something like this for the light, it goes into the actual exhaust ducting and the air flow cools the light so a lot less of the heat goes into the grow box
also, why not just run a 400watt on a digital ballast? much simpler and ganja cant really get too much light, plus many people say that 400 is more efficient than 200, while the digital balast extends the life of the bulb, cuts out noise, and saves electricity
-------------------- And they wandered off.. nine ways till bedfast. ----- "And lets pray that there's intelligent life somewhere up in space 'cause theres bugger-all down here on earth!" -Monty Python's "The Universe Song" from The Meaning of Life "In the beginning, the universe was created. This has made a lot of people very angry and has been widely considered as a bad move." -Douglas Adams "The Hitchhikers Guide to the Galaxy" "If the words 'life, liberty and the pursuit of happiness' don't include the right to experiment with your own consciousness, then the Declaration of Independence isn't worth the hemp it was written on." -Terence McKenna
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LayYouIn
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i wont be able to vent into the attic...this'll be an apartment grow.
in line ducting fan is what i was looking at. i found this one...

...on the home depot website...it says "The fan runs on 110 volt household current and efficiently uses 30 watts of electricity" and "4 In. fan has free air CFM of 40 and max boosted CFM of 80".
im not sure about using the light in the picture you posted. it seems like it might be a hassle moving the light up and down, as im planning on having the light adjustable so that i can always keep it 6-12" from the plants.
could i just place a carbon scrubber on the exhaust of the 4" duct fan without problems? how much resistance do these carbon scrubbers cause?
with a 400 watt HPS, that would be 100 watts per sq foot, isn't that a bit high?
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Teragon
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Re: Marijuana Stealth Grow Box #2 [Re: LayYouIn]
#8028507 - 02/15/08 06:12 PM (15 years, 11 months ago) |
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that fan isn't gonna cut it. for carbon scrubbers- you need an inline centrifugal fan.
inline axial fans like that one you posted are just too weak to force air through a carbon filter efficiently. that's what i've been told recently and i've been doing a LOT of research into this same topic.
edit: btw- for a small cabinet like you are planning, you are going to NEED a cool tube or air coolable reflector like the one that guy just posted, especially if you think you're gonna be keeping that light anywhere near 6-12in from the plants. those bulbs generate a fuckload of heat- inline cooling for the bulb is basically a necessity for any small cabinet.
-------------------- need that cash to feed them jones.
Edited by Teragon (02/15/08 06:20 PM)
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LayYouIn
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Re: Marijuana Stealth Grow Box #2 [Re: Teragon]
#8028664 - 02/15/08 06:48 PM (15 years, 11 months ago) |
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Quote:
Teragon said: that fan isn't gonna cut it. for carbon scrubbers- you need an inline centrifugal fan.
inline axial fans like that one you posted are just too weak to force air through a carbon filter efficiently. that's what i've been told recently and i've been doing a LOT of research into this same topic.
edit: btw- for a small cabinet like you are planning, you are going to NEED a cool tube or air coolable reflector like the one that guy just posted, especially if you think you're gonna be keeping that light anywhere near 6-12in from the plants. those bulbs generate a fuckload of heat- inline cooling for the bulb is basically a necessity for any small cabinet.
THANK YOU. that's exactly what i needed to know.
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ApJunkie
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Re: Marijuana Stealth Grow Box #2 [Re: Teragon]
#8029663 - 02/15/08 11:35 PM (15 years, 11 months ago) |
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Sorry, a bit off topic, but what are the advantages of Squirrel-cage blowers? I see a fair number of people with those, is there much of a difference?
Edited by ApJunkie (02/15/08 11:39 PM)
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LayYouIn
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Re: Marijuana Stealth Grow Box #2 [Re: LayYouIn]
#8030054 - 02/16/08 03:04 AM (15 years, 11 months ago) |
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so would it work well if i had two different holes with 4" duct pipe for passive intake and a 400 watt HPS with air coolable reflector with 4" duct pipe going from it to an Inline Centrifugal Fan(135 CFM) that sends air through 4" duct pipes to a carbon filter?
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LayYouIn
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Re: Marijuana Stealth Grow Box #2 [Re: Teragon]
#8030928 - 02/16/08 11:38 AM (15 years, 11 months ago) |
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Quote:
Teragon said: you are going to NEED a cool tube or air coolable reflector
is there a big difference between these two? how much cooler would the cool tube be that the air coolable reflector?
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Zinglons Acolyte
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Re: Marijuana Stealth Grow Box #2 [Re: LayYouIn]
#8032213 - 02/16/08 06:48 PM (15 years, 11 months ago) |
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the cool tube removes the heated air from the cabinet, rather than an air cooled one which is cooled BY the air in the cabinet
-------------------- And they wandered off.. nine ways till bedfast. ----- "And lets pray that there's intelligent life somewhere up in space 'cause theres bugger-all down here on earth!" -Monty Python's "The Universe Song" from The Meaning of Life "In the beginning, the universe was created. This has made a lot of people very angry and has been widely considered as a bad move." -Douglas Adams "The Hitchhikers Guide to the Galaxy" "If the words 'life, liberty and the pursuit of happiness' don't include the right to experiment with your own consciousness, then the Declaration of Independence isn't worth the hemp it was written on." -Terence McKenna
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LayYouIn
Taurus


Registered: 09/28/06
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Quote:
Zinglons Acolyte said: the cool tube removes the heated air from the cabinet, rather than an air cooled one which is cooled BY the air in the cabinet
isn't a cool tube when the light has a glass tube around it and the pump sucks air through that glass tube?
but i figured an air coolable reflector is a reflector with a hole in it, piping attached to the hole, and a pump sucking air through it. basically the same as a cool tube but with out the glass tube. is this right?
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Zinglons Acolyte
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Re: Marijuana Stealth Grow Box #2 [Re: LayYouIn]
#8032548 - 02/16/08 08:15 PM (15 years, 11 months ago) |
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oh my mistake
theyre pretty much the same then as far as i know
-------------------- And they wandered off.. nine ways till bedfast. ----- "And lets pray that there's intelligent life somewhere up in space 'cause theres bugger-all down here on earth!" -Monty Python's "The Universe Song" from The Meaning of Life "In the beginning, the universe was created. This has made a lot of people very angry and has been widely considered as a bad move." -Douglas Adams "The Hitchhikers Guide to the Galaxy" "If the words 'life, liberty and the pursuit of happiness' don't include the right to experiment with your own consciousness, then the Declaration of Independence isn't worth the hemp it was written on." -Terence McKenna
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LayYouIn
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Re: Marijuana Stealth Grow Box #2 [Re: LayYouIn]
#8034566 - 02/17/08 12:41 PM (15 years, 11 months ago) |
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here's what i've come up with...

i cant post links to the items...but i have them listed in this thread...
MOD EDIT: no non sponsor links please thank you.
will it work?
Edited by royer9864 (02/18/08 05:41 AM)
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Lawrence
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Re: Marijuana Stealth Grow Box #2 [Re: LayYouIn]
#8036979 - 02/18/08 08:24 AM (15 years, 11 months ago) |
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Very very nice setup. AWESOME
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Lawrence
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Re: Marijuana Stealth Grow Box #2 [Re: LayYouIn]
#8037050 - 02/18/08 08:46 AM (15 years, 11 months ago) |
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Very very nice setup. AWESOME
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LayYouIn
Taurus


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Re: Marijuana Stealth Grow Box #2 [Re: Lawrence]
#8039613 - 02/18/08 07:11 PM (15 years, 11 months ago) |
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Quote:
Lawrence said: Very very nice setup. AWESOME
thank you.
but i just learned that it's better to have the inline fan suck air through the carbon filter, then push the air through piping that leads to the cool tube and have piping on the other end out the cool tube that leads out of the box. so ill be redesigning the top ventilation area completely. thank god i learned that before building the box.
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ApJunkie
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Re: Marijuana Stealth Grow Box #2 [Re: LayYouIn]
#8039880 - 02/18/08 08:08 PM (15 years, 11 months ago) |
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How is that better? It seems as though the fan would be more efficient with an uninhibited intake. If it can take in air freely it can combat the resistant force of the carbon filter, but if the carbon filter is restricting the flow into the fan it seems (to my drunk mind) that it would be less efficient at creating an effective vacuum inside the filter to adequately ventilate the box.
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Re: Marijuana Stealth Grow Box #2 [Re: ApJunkie]
#8040735 - 02/18/08 10:52 PM (15 years, 11 months ago) |
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Quote:
ApJunkie said: How is that better? It seems as though the fan would be more efficient with an uninhibited intake. If it can take in air freely it can combat the resistant force of the carbon filter, but if the carbon filter is restricting the flow into the fan it seems (to my drunk mind) that it would be less efficient at creating an effective vacuum inside the filter to adequately ventilate the box.
Quote:
This setup will work just fine it meets the max recommended light before it's just excess. but I would change the airflow to prevent heat buildup in the filter. You should be sucking air from the carbon filter, blowing it into the cool tube, then directly out of the box. This prevents any heat buildup and keeps your bulb and the glass cleaner, gives just that little bit more light without dust buildup.
i did read, that a carbon scrubber will cause resistance up to 30%(but im not sure which way this is referring to). i also read that for a grow box, i'll want 3-5 times more cubic feet per minute output than the cubic feet in the box.
so my mathematics...
the inline fan = 170 cubic feet per minute - 30% = 119 cubic feet per minute
the space in the box = 30 cubic feet
30 x 3 = 90 30 x 5 = 150
so that puts me just over 4x output. but, without the top ventilation area, ill have a couple more cubic feet. and on top of that, the fan might be over rated. so i may just need to buy a more powerful fan.
to be honest, i think i like this idea better than having a separate ventilation area. it'll allow me to change the bottom ventilation pipes to 6", simply have them come in, go up, go over, go down, and enter the box, and ill be able to make it 3' high rather than 2' high. im just wondering if that'll keep light from coming out...since the pipes will be bigger.
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Re: Marijuana Stealth Grow Box #2 [Re: LayYouIn]
#8045595 - 02/19/08 11:28 PM (15 years, 11 months ago) |
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Finished the box today! 
250W HPS light with 3" ducting running down to the fan (110 CFM). We decided it would be best if the carbon filter was in an attached unit to the side (didn't want to sacrific half of our growing area to keep it inside). Oh yeah, and on the bottom we've got a 10 gallon DWC hydroponic setup 
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Re: Marijuana Stealth Grow Box #2 [Re: ApJunkie]
#8048844 - 02/20/08 07:37 PM (15 years, 11 months ago) |
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Quote:
ApJunkie said: Finished the box today! 
250W HPS light with 3" ducting running down to the fan (110 CFM). We decided it would be best if the carbon filter was in an attached unit to the side (didn't want to sacrific half of our growing area to keep it inside). Oh yeah, and on the bottom we've got a 10 gallon DWC hydroponic setup 
damn, that looks pretty good. what are the temps running at with a 110 CFM? does light leak out? more pictures?
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Re: Marijuana Stealth Grow Box #2 [Re: LayYouIn]
#8051833 - 02/21/08 01:12 PM (15 years, 11 months ago) |
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Thank ya kindly 
Right now the temps are hovering around 75-78f, but I'm a little worried they might get higher than that once the carbon filter is installed. I'm planning on buying a cooltube farther down the line though, so it shouldn't be too much of a problem hopefully.
I haven't really decided what to do about the light issue quite yet. I could make it light proof, but then I'm scared about having adequate air intake which could raise the temps even more.
Any suggestions?
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Re: Marijuana Stealth Grow Box #2 [Re: ApJunkie]
#8053188 - 02/21/08 06:41 PM (15 years, 11 months ago) |
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Quote:
ApJunkie said: Thank ya kindly 
Right now the temps are hovering around 75-78f, but I'm a little worried they might get higher than that once the carbon filter is installed. I'm planning on buying a cooltube farther down the line though, so it shouldn't be too much of a problem hopefully.
I haven't really decided what to do about the light issue quite yet. I could make it light proof, but then I'm scared about having adequate air intake which could raise the temps even more.
Any suggestions?
how long did you let it run before taking the temp?
how does air get into the box?
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Re: Marijuana Stealth Grow Box #2 [Re: LayYouIn]
#8053328 - 02/21/08 07:12 PM (15 years, 11 months ago) |
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Quote:
LayYouIn said:
how long did you let it run before taking the temp?
Over night, about 18 hours.
Quote:
LayYouIn said:
how does air get into the box? ?
Exactly
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Re: Marijuana Stealth Grow Box #2 [Re: ApJunkie]
#8053575 - 02/21/08 07:48 PM (15 years, 11 months ago) |
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Nice dude, goodluck growing. What strains are you gonna grow? Or bag seed ?
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Re: Marijuana Stealth Grow Box #2 [Re: andrewss]
#8053654 - 02/21/08 08:02 PM (15 years, 11 months ago) |
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I picked up 4 clones last night froma local grower. They're having a bit of a hard time adjusting to the transportation trauma, but they should do well.
I've got 2 Afghani Trainwreck, 1 Northern Lights, and 1 unknown strain that he picked up from a friend and claims it's the best bud he's ever grown. The unknown is by far the dankest looking of the plants so far (considering they're only 5 inches tall), so it's looking to be a good smoke
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Re: Marijuana Stealth Grow Box #2 [Re: ApJunkie]
#8053941 - 02/21/08 09:07 PM (15 years, 11 months ago) |
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Nice dude... good luck again
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LayYouIn
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Re: Marijuana Stealth Grow Box #2 [Re: ApJunkie]
#8054914 - 02/22/08 12:36 AM (15 years, 11 months ago) |
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Quote:
ApJunkie said:
Quote:
LayYouIn said:
how does air get into the box? ?
Exactly
lol. how big are the gaps in the box? do you leave the door open? you really made no holes for intake?
here's the new design for my box after asking on 3 other forums...

i still need a few more questions answered though...:(
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Re: Marijuana Stealth Grow Box #2 [Re: LayYouIn]
#8055463 - 02/22/08 08:19 AM (15 years, 11 months ago) |
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It looks pretty good man. Right now I've got a fair amount of air intake, but the box is certainly not light proof... I don't really see a way of solving both problems, as they're kind of mutually exclusive.
What other questions do you need answered? I'm no expert by any means, but I do huge amount of design/engineering so I may be able to help....
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Re: Marijuana Stealth Grow Box #2 [Re: ApJunkie]
#8055488 - 02/22/08 08:31 AM (15 years, 11 months ago) |
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Quote:
ApJunkie said: It looks pretty good man. Right now I've got a fair amount of air intake, but the box is certainly not light proof... I don't really see a way of solving both problems, as they're kind of mutually exclusive.
What other questions do you need answered? I'm no expert by any means, but I do huge amount of design/engineering so I may be able to help....
drill an intake hole then seal the other leaks with duct tape
-------------------- And they wandered off.. nine ways till bedfast. ----- "And lets pray that there's intelligent life somewhere up in space 'cause theres bugger-all down here on earth!" -Monty Python's "The Universe Song" from The Meaning of Life "In the beginning, the universe was created. This has made a lot of people very angry and has been widely considered as a bad move." -Douglas Adams "The Hitchhikers Guide to the Galaxy" "If the words 'life, liberty and the pursuit of happiness' don't include the right to experiment with your own consciousness, then the Declaration of Independence isn't worth the hemp it was written on." -Terence McKenna
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yes, but then light comes out the intake hole......
Am I missing something? I suppose I could make the intake holes on the bottom?
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Re: Marijuana Stealth Grow Box #2 [Re: ApJunkie]
#8055536 - 02/22/08 08:47 AM (15 years, 11 months ago) |
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Quote:
ApJunkie said: yes, but then light comes out the intake hole......
Am I missing something? I suppose I could make the intake holes on the bottom?
or you could use ducting or foil to redirect the light where it wont be noticed, like behind the cab against the wall maybe?
on that note, ducting with a cloth over the end to block the light, but the airflow wouldnt be disturbed much
-------------------- And they wandered off.. nine ways till bedfast. ----- "And lets pray that there's intelligent life somewhere up in space 'cause theres bugger-all down here on earth!" -Monty Python's "The Universe Song" from The Meaning of Life "In the beginning, the universe was created. This has made a lot of people very angry and has been widely considered as a bad move." -Douglas Adams "The Hitchhikers Guide to the Galaxy" "If the words 'life, liberty and the pursuit of happiness' don't include the right to experiment with your own consciousness, then the Declaration of Independence isn't worth the hemp it was written on." -Terence McKenna
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Re: Marijuana Stealth Grow Box #2 [Re: ApJunkie]
#8056188 - 02/22/08 12:12 PM (15 years, 11 months ago) |
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Quote:
ApJunkie said: What other questions do you need answered?
well, if the cabinet was built and all the little cracks were sealed so that light couldn't escape, do you think that the inside light could get out through the bottom 10" ventilation pipe?
someone said to have 2 fans, one that sucks air from the inside of the box through the carbon scrubber and blows it out of the box, and the other to suck air from outside the box through the cool tube and then blow it directly out of the box. do you think that this would be necessary to keep the temp down?
how loud do you think the whole setup would be when the door is closed?
would having lockable latches look more suspicious than having locks with key holes?
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imachavel
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Re: Marijuana Stealth Grow Box #2 [Re: LayYouIn]
#8056528 - 02/22/08 01:33 PM (15 years, 11 months ago) |
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layyouin, your a chick, right? i just remember that from some post about girls masturbating...
or maybe it was some other post, something about.... oh wait, girls and salvia experiences or some shit, right? damn, LOL... my bad
here's a question for anyone, when your growing in the spring, and the light cycle hasn't gone above 13 hours or whatever, and your plant buds, when the cycle goes above 13, your plant will stop budding right? will the buds that are there continue to produce thc glands in order to try and collect pollen? or does that stop as well......
also, will the plant keep producing thc? are there parts i can trim that will get better as the plant ages to try and extract hash oil or something? let me know....... peace
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Re: Marijuana Stealth Grow Box #2 [Re: LayYouIn]
#8056547 - 02/22/08 01:37 PM (15 years, 11 months ago) |
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oh also... i don't know about blowing air to keep the temperature down, but you want it... it helps the plant, like wind, i'm pretty sure it helps it get nitrogen...
you know, i'm no botanist, biologist, or the like of such. but i'm pretty sure when your growing indoors you want to replicate a pristine hawaiian tropical like environment as much as possible, you want to have sun, rain, nutrient rich soil, wind, and whatever else happens in the best grow situation, right in your growing area, hell..... play music for the plants, it probably wouldn't hurt.... let me know how it goes
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Re: Marijuana Stealth Grow Box #2 [Re: imachavel]
#8056907 - 02/22/08 03:09 PM (15 years, 11 months ago) |
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Quote:
imachavel said: layyouin, your a chick, right?
no, im a guy.
as for your question, i think they can go back to vegging.
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imachavel
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Re: Marijuana Stealth Grow Box #2 [Re: LayYouIn]
#8057218 - 02/22/08 04:17 PM (15 years, 11 months ago) |
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so what, the buds will stop producing crystals and everything? maaaannnn...
also, i've heard not all cannabis strains go to budding under 13 hours of light, some more, some less, is this common?
cuz that sucks, this shit just started budding, and i think we're at 12 hours of light right now, i know the buds need to sit for awhile to try and crystalize to gather pollen longer and produce more thc, if it doesn't bud long enough, it can just be like regs, right?
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Re: Marijuana Stealth Grow Box #2 [Re: imachavel]
#8057572 - 02/22/08 05:46 PM (15 years, 11 months ago) |
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the idea is to grow enough to hold you over until your next harvest
personally i think if you grow two or three large plants and smoke it all up before another crop can mature, you smoke way too much and should really cut down, unless youre growing for your entire circle of friends
then theres staggered crops which are better, cause u have plants at different stages of maturity at all times, so u havest more often, but less bulk
-------------------- And they wandered off.. nine ways till bedfast. ----- "And lets pray that there's intelligent life somewhere up in space 'cause theres bugger-all down here on earth!" -Monty Python's "The Universe Song" from The Meaning of Life "In the beginning, the universe was created. This has made a lot of people very angry and has been widely considered as a bad move." -Douglas Adams "The Hitchhikers Guide to the Galaxy" "If the words 'life, liberty and the pursuit of happiness' don't include the right to experiment with your own consciousness, then the Declaration of Independence isn't worth the hemp it was written on." -Terence McKenna
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imachavel
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i don't smoke that much, the thing is, this thing is only a foot tall, and man, the 13 hour light cycle is about to pick up any time now. so shit, that's why i was wondering... if it still resinated the buds it had after the light cycle was over
and i thought to get a good resinated bud, you had to let it sit there for awhile, try and grow as much thc as possible, to try and accumulate pollen....
--------------------
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Re: Marijuana Stealth Grow Box #2 [Re: imachavel]
#8058028 - 02/22/08 07:34 PM (15 years, 11 months ago) |
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Quote:
imachavel said: i don't smoke that much, the thing is, this thing is only a foot tall, and man, the 13 hour light cycle is about to pick up any time now. so shit, that's why i was wondering... if it still resinated the buds it had after the light cycle was over
and i thought to get a good resinated bud, you had to let it sit there for awhile, try and grow as much thc as possible, to try and accumulate pollen....
pollen is exactly what you DONT want.... anywhere near your plant, perhaps youre talking about trichomes?
check out erowid's cannabis cultivation files if you havent already
it doesnt really matter how big the plant is for potency an resin, thats all genetics and light, all that will happen if u flower a small plant is youll get a small yeild
id veg that for a couple weeks before putting it in a 12/12 light cycle
-------------------- And they wandered off.. nine ways till bedfast. ----- "And lets pray that there's intelligent life somewhere up in space 'cause theres bugger-all down here on earth!" -Monty Python's "The Universe Song" from The Meaning of Life "In the beginning, the universe was created. This has made a lot of people very angry and has been widely considered as a bad move." -Douglas Adams "The Hitchhikers Guide to the Galaxy" "If the words 'life, liberty and the pursuit of happiness' don't include the right to experiment with your own consciousness, then the Declaration of Independence isn't worth the hemp it was written on." -Terence McKenna
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ApJunkie
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Re: Marijuana Stealth Grow Box #2 [Re: imachavel]
#8058082 - 02/22/08 07:49 PM (15 years, 11 months ago) |
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I'm assuming you're growing outdoors which is why you're so worried about having no control on the light cycle, yes?
Either way, the light cycle won't be 12/12 anywhere in the world until march 20th. That's the equinox and from there (depending on your hemisphere) the days will continue to get longer (north) or shorter (south)
Either way, if you're in america you've probably still got another 2 months until your plants would likely revert to vegging.
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Re: Marijuana Stealth Grow Box #2 [Re: ApJunkie]
#8059018 - 02/23/08 01:08 AM (15 years, 11 months ago) |
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that much time, huh?
btw, i never said it was going to collect pollen, i was saying it's TRYING to collect pollen... anyway.
it's a nice plant, something really REALLY fruity, one of the fruitiest smelling plants i think, REAL sweet, i'd say it's bubblegum, but it's half indica/ half sativa, bubblegum is pure sativa, right? anyway does anyone know what that could be?
it's only a foot and it's already budding where every branch is coming out.... alllriight
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Re: Marijuana Stealth Grow Box #2 [Re: LayYouIn]
#8060994 - 02/23/08 03:35 PM (15 years, 11 months ago) |
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do you all think that with a 400 watt HPS and the setup im planning, that the temperature will be close to ideal or do you all think that they would be way to high?
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ApJunkie
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Re: Marijuana Stealth Grow Box #2 [Re: LayYouIn]
#8061000 - 02/23/08 03:39 PM (15 years, 11 months ago) |
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I think your temp will be fine, but I think you're going to want airflow moving around the plants too. Your plan will cool the bulb effectively, but the long wavelength of HPS spectrum will warm the container and plants themselves also.
in addition, your box will probably end up being kinda loud.
Edited by ApJunkie (02/23/08 03:41 PM)
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LayYouIn
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Re: Marijuana Stealth Grow Box #2 [Re: ApJunkie]
#8061043 - 02/23/08 03:49 PM (15 years, 11 months ago) |
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im going to have 2 5" computer fans inside for air circulation. both in the middle of the box...one blowing up at an angle and one blowing down at an angle.
the digital ballast is suppose to be silent. all i can think of that will be loud, is the inline fan(which is suppose to be quite also) and the actually light bulb. the door will be sealed with weather proofing and seal tightly when locked.
what do you think will be the loudest thing in the box?
how loud would a 400 watt HPS bulb be? would a 400 watt MH be quieter?...the ballast can run both kinds.
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Re: Marijuana Stealth Grow Box #2 [Re: LayYouIn]
#8061258 - 02/23/08 04:30 PM (15 years, 11 months ago) |
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I dunno, my balast is perfectly silent. I get literally no noise from my light bulb at all, it's about 20% noise from the air pump running the bubbles in my tank, and about 80% fan noise. I don't have a carbon scrubber attached yet though, so the fan is just blowing straight into the room which makes it much noisier I'm sure. Once I have that closed off I'll let you know how loud it is. I'm predicting it'll cut the noise close to 50%.
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Re: Marijuana Stealth Grow Box #2 [Re: ApJunkie]
#8061282 - 02/23/08 04:35 PM (15 years, 11 months ago) |
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could you please PM me a link to your fan?
the one im planning to buy says "Extremely quiet and easy to install, this 40-watt, 4-inch fan pushes 170 cubic feet per minute.
This fan goes perfectly with the Elf Charcoal Filter."
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Re: Marijuana Stealth Grow Box #2 [Re: LayYouIn]
#8061295 - 02/23/08 04:38 PM (15 years, 11 months ago) |
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Lol, from High tech garden supply? That's the fan I was going to get, but I downgraded to the 4" squirell cage blower that's only 95 CFM, but about $35 cheaper.
Pm. Sent
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Re: Marijuana Stealth Grow Box #2 [Re: ApJunkie]
#8061332 - 02/23/08 04:47 PM (15 years, 11 months ago) |
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Quote:
ApJunkie said: Lol, from High tech garden supply? That's the fan I was going to get, but I downgraded to the 4" squirell cage blower that's only 95 CFM, but about $35 cheaper.
Pm. Sent
yeah, from HTG. can we say that? lol.
im going to buy the fan/filter combo.
the one you bought though, it doesn't say that it's quite. i think the one im planning on getting will be a bit quieter...im hoping at least.
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Re: Marijuana Stealth Grow Box #2 [Re: LayYouIn]
#8118858 - 03/08/08 05:38 AM (15 years, 10 months ago) |
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Bringing this back after a couple of weeks.
Are there guides somewhere to building a stealth grow box? How much horizontal space does one need for each plant? Height?
Afoaf is thinking of trying a stealth LED grow.
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Re: Marijuana Stealth Grow Box #2 [Re: Ophanim]
#8119185 - 03/08/08 09:08 AM (15 years, 10 months ago) |
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there are guilds, but they seem to be lacking information. overgrow had the best. 
horizontal space, i dont know...i would think at least 6" x 6" for a foot tall plant. when they start though, they need less. and i think when they flower, that they grow mainly upwards and the branches start pointing upwards...but i've never actually grow cannabis, so i dont know.
height, probley at least 2 feet if your going to train.
im not sure if LEDs work that great or even work at all...but then again, i dont know a whole lot about this hobby.
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Re: Marijuana Stealth Grow Box #2 [Re: LayYouIn]
#8119227 - 03/08/08 09:27 AM (15 years, 10 months ago) |
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Just an update; this box works out pretty well! I had some real troubles in the beginning with water temps because of the lack of airflow around the tub, but simply adding a nalgene full of ice about halfway through the light cycle perked them right back up.
They've grown almost 4 inches since I got them!
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Re: Marijuana Stealth Grow Box #2 [Re: ApJunkie]
#8119587 - 03/08/08 12:01 PM (15 years, 10 months ago) |
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My research into LED's has told me they're at least as effective as HID's while not putting out tons of heat or consuming large amounts of electricity. There one drawback is that the panels can be ungainly to position just right, and you'd need a lot of them for a large grow space.
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sleepy
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Re: Marijuana Stealth Grow Box #2 *DELETED* [Re: Zinglons Acolyte]
#8121881 - 03/08/08 11:53 PM (15 years, 10 months ago) |
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Post deleted by sleepyReason for deletion: .
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LayYouIn
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Re: Marijuana Stealth Grow Box #2 [Re: sleepy]
#8122822 - 03/09/08 09:51 AM (15 years, 10 months ago) |
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with 6 feet in height, will i even need to grow lowryder? 1 foot for the pots, 1 foot for the light/fan at the top, and one foot for space between the light and plant tops, that leave me 3 feet for plants. i was thinking of growing them about a foot tall on 18/6 and then switching to 12/12.
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impgl
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Re: Marijuana Stealth Grow Box #2 [Re: LayYouIn]
#8122975 - 03/09/08 10:48 AM (15 years, 10 months ago) |
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depending on strain, it might double de size. afoaf doesn't even veg for that long anymore, usually 6 inches tall and the switch, with prunes and bends. i mean, the bottom branches either end up being cut off or it#ll just be fluff nug, know what i mean>
-------------------- omg really?
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LayYouIn
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Re: Marijuana Stealth Grow Box #2 [Re: impgl]
#8123182 - 03/09/08 12:19 PM (15 years, 10 months ago) |
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Quote:
impgl said: depending on strain, it might double de size. afoaf doesn't even veg for that long anymore, usually 6 inches tall and the switch, with prunes and bends. i mean, the bottom branches either end up being cut off or it#ll just be fluff nug, know what i mean>
how much does he/she get off of each plant as far as weight goes? how tall are they when they finish?
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Zinglons Acolyte
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Re: Marijuana Stealth Grow Box #2 [Re: sleepy]
#8123335 - 03/09/08 01:25 PM (15 years, 10 months ago) |
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Quote:
sleepy said: i didn't read all the replies, but why go with lowryder? you can get higher yields with any kind of indica, just top it at 6 in, 12 in, and then flower. the only benefit to lowryder is well i'm sure there is one, but not for your setup. you can flower an indica at any height you want
well the main advantage to lowryder hybrids is that you dont have to keep any sort of light cycle in order for it to flower, these will flower with 24 hour light, 18/6 being the optimal photoperiod from seed to bud
-------------------- And they wandered off.. nine ways till bedfast. ----- "And lets pray that there's intelligent life somewhere up in space 'cause theres bugger-all down here on earth!" -Monty Python's "The Universe Song" from The Meaning of Life "In the beginning, the universe was created. This has made a lot of people very angry and has been widely considered as a bad move." -Douglas Adams "The Hitchhikers Guide to the Galaxy" "If the words 'life, liberty and the pursuit of happiness' don't include the right to experiment with your own consciousness, then the Declaration of Independence isn't worth the hemp it was written on." -Terence McKenna
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impgl
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Re: Marijuana Stealth Grow Box #2 [Re: LayYouIn]
#8124100 - 03/09/08 05:24 PM (15 years, 10 months ago) |
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depends on the strain. the last set up i remember being bubba kush clones. not over 14 inches and it was a VERY low yielding strain..... afoaf told the kid that got him the clones SPECIFICALLY not to get a kush or purple variety
-------------------- omg really?
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LayYouIn
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Re: Marijuana Stealth Grow Box #2 [Re: impgl]
#8124607 - 03/09/08 07:08 PM (15 years, 10 months ago) |
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do you think that i could flower 4 plants that all finish around 3 feet high in a 2 foot by 2 foot area? how much do you think a 3 foot tall plant would yield?
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