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OfflineCAP_TURTLE
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Greenhouse
    #18757618 - 08/25/13 10:52 PM (10 years, 5 months ago)

So a few weeks back I was going to build a greenhouse.  For once I was kind of thankful I didnt have the funds because I found these two for the same if not cheaper than what I was going to build one for!
http://www.ebay.com/itm/390649020460?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1438.l2649
http://www.ebay.com/itm/310698787244?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1438.l2649
I'm wondering if anyone has ever used one of these?  If you happen to look at them they have 2 slightly different shapes.  One ahs more of a rounded top while the other is slightly flatter it looks like it has more overall wall heighth which i think might be good.  Would the more round one be better to avoid more condensation since it may be more likely to roll down the walls instead of stick on the ceiling?  Also, anyone ever used one of these outside in hte winter?  I knwo its a crazy question but I seen greenhouse heaters and was wondering if it's actually possible to keep one of these warm enough at least for the colder fruiting strains of oysters and whatever else.  Thanks in advance for any input and I hope to order one of these models in the next few days since they ahve the exact dimensions I was looking at!


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OfflineMangomankw
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Re: Greenhouse [Re: CAP_TURTLE]
    #18758313 - 08/26/13 02:22 AM (10 years, 5 months ago)

I am VERY new at this but most of what I have read says go for a curved top. That said I have a indoor set up made of PVC and foam board lined with foil on one side. My rooms are a room within a room basically and have flat tops. Thus far I have had not problems with moisture build up. I have been told by many here that when all is right with the Mush gods you should not have any build up....not there just yet. As for the outside use I am in Key West and it's just to hot here to attempt without very deep pockets for A/C. One thing I can say is take the amount of space you think you need....double it!! Not much but hope it helps.


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The Key West Fun-Gi!!!::cool:


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OfflineCAP_TURTLE
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Re: Greenhouse [Re: Mangomankw]
    #18759627 - 08/26/13 01:37 PM (10 years, 5 months ago)

Appreciate it, every bit!  Thanks.


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OfflineMycelium-yum
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Re: Greenhouse [Re: CAP_TURTLE]
    #18759656 - 08/26/13 01:43 PM (10 years, 5 months ago)

Quote:

CAP_TURTLE said:
So a few weeks back I was going to build a greenhouse.  For once I was kind of thankful I didnt have the funds because I found these two for the same if not cheaper than what I was going to build one for!
http://www.ebay.com/itm/390649020460?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1438.l2649
http://www.ebay.com/itm/310698787244?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1438.l2649
I'm wondering if anyone has ever used one of these?  If you happen to look at them they have 2 slightly different shapes.  One ahs more of a rounded top while the other is slightly flatter it looks like it has more overall wall heighth which i think might be good.  Would the more round one be better to avoid more condensation since it may be more likely to roll down the walls instead of stick on the ceiling?  Also, anyone ever used one of these outside in hte winter?  I knwo its a crazy question but I seen greenhouse heaters and was wondering if it's actually possible to keep one of these warm enough at least for the colder fruiting strains of oysters and whatever else.  Thanks in advance for any input and I hope to order one of these models in the next few days since they ahve the exact dimensions I was looking at!




How low in temperature do your winters go?


--------------------
"Before researchers become researchers they should become philosophers.” -Masanobu Fukuoka.


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OfflineCAP_TURTLE
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Re: Greenhouse [Re: Mycelium-yum]
    #18759716 - 08/26/13 02:03 PM (10 years, 5 months ago)

they can get down to zero on the worst days but avg20-30 F


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OfflineHT_AlohaMed
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Re: Greenhouse [Re: CAP_TURTLE]
    #18759857 - 08/26/13 02:44 PM (10 years, 5 months ago)

Hi there,

I also suggest the curved top. It is a stronger structure, and if it snows where you live that will help it slide down. I am actually second in charge of a green house project, and we actively grow crops until late November to early December. At this point the heating becomes too expensive and we start planning for the spring and fundraising. We start up again in late February or early march. As long as you are willing to pay the heating bill, there is no reason you could not produce year round in a green house, but be wary it is not as easy, and may be more financially sound to move your operation indoors. You may also want to invest in some cold resistant strains. I can recommend some to you if you are interested. My region has about the same temperatures in the winter as you described above.


--------------------
Aloha Medicinals
Carson City, NV


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OfflineMycelium-yum
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Re: Greenhouse [Re: HT_AlohaMed]
    #18759929 - 08/26/13 03:03 PM (10 years, 5 months ago)

Shouldn't be a problem. You s
Quote:

HT_AlohaMed said:
Hi there,

I also suggest the curved top. It is a stronger structure, and if it snows where you live that will help it slide down. I am actually second in charge of a green house project, and we actively grow crops until late November to early December. At this point the heating becomes too expensive and we start planning for the spring and fundraising. We start up again in late February or early march. As long as you are willing to pay the heating bill, there is no reason you could not produce year round in a green house, but be wary it is not as easy, and may be more financially sound to move your operation indoors. You may also want to invest in some cold resistant strains. I can recommend some to you if you are interested. My region has about the same temperatures in the winter as you described above.




:manofapproval:


--------------------
"Before researchers become researchers they should become philosophers.” -Masanobu Fukuoka.


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OfflineJeff
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Re: Greenhouse [Re: CAP_TURTLE]
    #18760401 - 08/26/13 04:38 PM (10 years, 5 months ago)

The one you linked will not carry a snow load and they are not wind resistant at all.  Unless you have a way to shelter it from wind and snow I would save your money.
It is expensive to heat a greenhouse in the winter and difficult to maintain fae unless you have a heated intake.


--------------------
Myco-tek


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Offlinenanncee
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Re: Greenhouse [Re: Jeff]
    #18762941 - 08/27/13 08:49 AM (10 years, 5 months ago)

If you want a cheap structure that can be insulated and supported to hold a bit of snow weight look into double wall pvc hoop houses. There will probably be a good month or so in the middle of winter where things will be at a crawl, but like HT_alohamed said look into cold weather strains.


--------------------
I am a small scale farmer, come check out what we do. www.facebook.com/biocentricbros

Check out our Youtube videos. www.youtube.com/biocentricbros


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InvisibleAleon
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Re: Greenhouse [Re: nanncee]
    #18763001 - 08/27/13 09:16 AM (10 years, 5 months ago)

Use supports from the ground to the center purlin for the snow load; it worked for me with a PVC hoophouse through WI winters.


--------------------
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www.swordandshieldwellness.com


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Offlinenanncee
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Re: Greenhouse [Re: Aleon]
    #18763007 - 08/27/13 09:18 AM (10 years, 5 months ago)

Quote:

Aleon said:
Use supports from the ground to the center purlin for the snow load; it worked for me with a PVC hoophouse through WI winters.




:whathesaid:


--------------------
I am a small scale farmer, come check out what we do. www.facebook.com/biocentricbros

Check out our Youtube videos. www.youtube.com/biocentricbros


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OfflineCAP_TURTLE
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Re: Greenhouse [Re: nanncee]
    #18764374 - 08/27/13 03:06 PM (10 years, 5 months ago)

Well anyone know of or see anything wrong with these or any specific alternatives?  the one with the more rounded top is 7 feet and i figure in case of any condensation it should be better.  Not sure if anyoen looked at either one but the flatter top one is 6 feet high.  I'm trying to stack as many buckets as I can in these.  This shoudl only be for this winter as next spring I hope to move into a bigger facility if winter farmers marketing goes well.  I plan to add an exhaust as well as an air intake to this.  There is an outle for an exhaust to the outside already I'll probably just filter it as it goes out.  Plus I have a drain for this in the basement that  an either go right under one of the corners or can be squeegied out daily if there is any buildup.  I plan to order 3 fog makers and run my impeller humidifier to start.


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OfflineCAP_TURTLE
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Re: Greenhouse [Re: CAP_TURTLE]
    #18765169 - 08/27/13 06:07 PM (10 years, 5 months ago)

Well it doesn't matter after all.  I did some more measureing and at its peak the ceiling would have to be 7' high.  I have to stay below 6'9''.  The one with the flatter roof is 6' tall so I figure i have less space to keep humid and it's mostly level instead of having a big peak which nothing will go in the middle anyways but along the walls.  I measured adn laid out some buckets and if I really needed too I can do like 14 stacks of buckets and 4 tall with a base made out of something else to raise the buckets off the ground.  I'm thinking of makeing some kind of cove bordering around its walls as well so any moisture collection on the floor would be contained withing the tent and I could spray out the floor and have ig drain into the drain in the floor.  I also have another layer of thick plastic that will in itself also contain the greenhouse in it.


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OfflineCAP_TURTLE
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Re: Greenhouse [Re: CAP_TURTLE]
    #18857648 - 09/18/13 11:52 AM (10 years, 5 months ago)

Well I purchased the taller greenhouse and it was perfect!  Luckily it wasn't for outdoors cause i would be skeptical, but it isn't blowing no where in my basement.  Now I have to figure out a way to get fresh air in and stale air out.  I would estimate my ft^3 to be around 375.  I was thinking of just getting one of the small inline duct fans that do around 100 -250 cfm depending on which one.  But if I instal one of these and have it run so that air is cleared out I'm thinking 5 times an hour completely that is somewhere close to what I want.  Minus some dialing in.  I'm wondering if fans like this http://www.menards.com/main/heating-cooling/ductwork/indoor-air-quality/6-double-crimp-in-line-duct-fan/p-113769-c-6872.htm are ok for moist air or will it rust?  Would I be better off getting one of the ones for hydroponic systems or are they just for moving more air?  Also, since it is about to be winter.  Would air suck up and outside if I just had an exhaust running from the greenouse to the vent?  Going from hot to cold?


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Offlinenanncee
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Re: Greenhouse [Re: CAP_TURTLE]
    #18862333 - 09/19/13 10:11 AM (10 years, 5 months ago)

Quote:

CAP_TURTLE said:
Well I purchased the taller greenhouse and it was perfect!  Luckily it wasn't for outdoors cause i would be skeptical, but it isn't blowing no where in my basement.  Now I have to figure out a way to get fresh air in and stale air out.  I would estimate my ft^3 to be around 375.  I was thinking of just getting one of the small inline duct fans that do around 100 -250 cfm depending on which one.  But if I instal one of these and have it run so that air is cleared out I'm thinking 5 times an hour completely that is somewhere close to what I want.  Minus some dialing in.  I'm wondering if fans like this http://www.menards.com/main/heating-cooling/ductwork/indoor-air-quality/6-double-crimp-in-line-duct-fan/p-113769-c-6872.htm are ok for moist air or will it rust?  Would I be better off getting one of the ones for hydroponic systems or are they just for moving more air?  Also, since it is about to be winter.  Would air suck up and outside if I just had an exhaust running from the greenouse to the vent?  Going from hot to cold?




Sorry I never responded back about the greenhouse, it's that time of year. can't seem to find enough time.

As far as the fan goes, the one you linked to would not last long in a high humidity environment. Hydroponics fans work well but I rarely see them at a price I want to pay. If you want a fully sealed fan that is cheap look into bilge fans for boats/marine use. That's what I use in my systems.

http://www.attwoodmarine.com/store/product/store/turbo-4000-ii

They make a water resistant and a non water resistant. make sure you get the water resistant. You can power these with a computer power supply very easily. Just needs 12v DC and 4amps (give or take an amp)


--------------------
I am a small scale farmer, come check out what we do. www.facebook.com/biocentricbros

Check out our Youtube videos. www.youtube.com/biocentricbros


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OfflineCAP_TURTLE
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Re: Greenhouse [Re: nanncee]
    #18862849 - 09/19/13 12:27 PM (10 years, 5 months ago)

Anyone able to link me to a good fan or two?  I see several when I get on ebay and I don't mind paying 50-75 bucks for something that will get the job done and last.  Theres just so many to choose from and half likely arent even reliable.


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OfflineCAP_TURTLE
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Re: Greenhouse [Re: CAP_TURTLE]
    #18865159 - 09/19/13 09:01 PM (10 years, 5 months ago)



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OfflineCAP_TURTLE
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Re: Greenhouse [Re: CAP_TURTLE]
    #18865272 - 09/19/13 09:26 PM (10 years, 5 months ago)

This here is very cheap.  http://www.ebay.com/itm/SEACHOICE-IN-LINE-BILGE-BLOWER-4-240-CFM-41841-WHITE-/350460382380?pt=Boat_Parts_Accessories_Gear&hash=item5199110cac&vxp=mtr
Right now everythign will be passing out a 4 " exhaust just because i'm using the one made for the dryer, but I'm going to install a basement window cover and take out the old window and put something new in with a 6" hole possibly.  Only hting is the 4" hole is a good 6-8 ft of tubing away.  The other window almost buts right up against the back of the greenhouse so I dont know if this would creat back drafts when the fan isn't on.  Also being that my room is less than 400cfm would it be better to use a speed controla nd run it slower so I get an overall5  gas exhanges an hour or run it for 5 seperate minutes out of the hour clearing it out each time?


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Invisibleliamtheloser
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Re: Greenhouse [Re: CAP_TURTLE]
    #18865508 - 09/19/13 10:31 PM (10 years, 5 months ago)

You might end up being disappointed by a bilge fan if you're expecting it to move air through ducting.  I'd go for one of the 100 dollar centrifugal fans.  Just stay away from ones with words like 'value' or 'eco/economy'  in them.


I had a 4x8x4 grow room at one time and it took a 4 inch centrifugal fan to have proper air exchange.


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OfflineCAP_TURTLE
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Re: Greenhouse [Re: liamtheloser]
    #18865944 - 09/20/13 12:46 AM (10 years, 5 months ago)

did you run yours 24/7?  My ducting at most is going to be 8 ft.  Maybe even shorter if i put it out the window right next to it i was speaking of.


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