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Anonymous #2

Re: 6500K CFL Lighting [Re: Anonymous #2]
    #12598832 - 05/20/10 03:19 PM (14 years, 2 days ago)

also that anti-detection foil is used a lot of times in "grow tents" allegedly preventing the heat from "leaking" where you do not want it to go. so you keep all your heat producing things in there and vent the heat out and spread it around and rather than having a "hotspot" in your house it just raises the ambient temps of the entire house/attic.

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OfflineShroomDoom
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Re: 6500K CFL Lighting [Re: fastfred]
    #12598891 - 05/20/10 03:29 PM (14 years, 2 days ago)

Quote:

fastfred said:
> Sun blocker works.

Sun blocker does NOT work unless it is somehow able to violate the laws of physics.  In fact it can't even work as well as insulation since it has a lower R-value.

Your grow room is going to run at a significantly higher temp than the rest of the rooms.  A 1/4 inch of R-5 "sunblocker" is not going to prevent the outside walls of that room from heating up!  Thus it will show on thermal.






I just spoke with NGW wholesale and was told they tested this product with 6 grand worth of thermal imaging equipment in rooms running up to 2 1000w HPS both air-cooled and non air cooled. It does what it says and provides a radiant barrier against heat in both scenarios; although significantly better with the air-cooled lights.

:shrug:

If you can prove it doesn't work other than condescending with talk about physics i will happily stop telling people that the product does what the manufacturer says it does. have a nice day.


--------------------

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Invisiblefastfred
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Re: 6500K CFL Lighting [Re: Anonymous #2]
    #12598898 - 05/20/10 03:30 PM (14 years, 2 days ago)

> seeing as an ideal lights on temp for cannabis is 75F if your grow room is hotter than your other rooms you're doing it wrong.

LOL, you must not have any experience here.  Ideal temp and what you can really do are two different things.

> as long as we are talking like 6k watts or less, if you set up the room properly

Again, I don't think you really know what you're talking about.  One 1,000 watt light running 12 hrs/day will heat an average sized 2 bedroom apartment all by itself, through the entire winter.  And that's in a snow-on-the-ground area winter.

There's no way to dispose of that much heat.  If you pump into your attic your whole roof is going to light up like the 4th of July on a thermal imager.  If you pump it outside they're going to wonder why it looks like you have a massive heater blowing right out the window.

Optimal weed growing temp is around 85F BTW.  And pumping into other rooms isn't really an option unless you like it reeking to high heaven and hot as fuck.  You'll also end up with massive condensation and mold everywhere.  It's easy to spot grow houses by the condensation on the window.

I know all this because I've run 1000w lights for my tomato plants before and dealt with the problems.


-FF

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Invisiblefastfred
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Re: 6500K CFL Lighting [Re: ShroomDoom]
    #12598941 - 05/20/10 03:38 PM (14 years, 2 days ago)

Quote:

ShroomDoom said:
I just spoke with NGW wholesale and was told they tested this product with 6 grand worth of thermal imaging equipment in rooms running up to 2 1000w HPS both air-cooled and non air cooled. It does what it says and provides a radiant barrier against heat in both scenarios; although significantly better with the air-cooled lights.

If you can prove it doesn't work other than condescending with talk about physics i will happily stop telling people that the product does what the manufacturer says it does. have a nice day.




It may spread the heat around a bit and prevent obvious and glaring hotspots, but you're misrepresenting what it could possibly do.

They don't need to find a hotspot, and if you have an attic above your grow space it won't show up anyways.  But that's not how they find grow houses anyways, so it really provides no additional security.

There's no way around the third law of thermodynamics.  Lights generate a SHIT TON of heat and that has to go somewhere.  Your house will either be stupid hot (which they will pick up) or you'll be venting a ton of hot air outside (which they will pick up).  There's just absolutely no way around this that doesn't violate the basic laws of physics.


-FF

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Anonymous #2

Re: 6500K CFL Lighting [Re: fastfred]
    #12599050 - 05/20/10 03:54 PM (14 years, 2 days ago)

i know enough about it and we'll leave it at that. not really cool to just automatically assume everyone responding is a total dumbass with no experience, i have plenty; much more then you unless you're also being extremely guarded in your comments(in my past of course.) it is easy to keep a grow room at 75F if you do it right, and is done by many many people. proper ventilation and a/c (if grow is big enough) is the top priority for setting up a grow room. 85F is a good temp with added co2, without it a lower temp is better (mid 70s to 80 max), but also not here to argue what can easily be read at icmag or whatever.

also you use carbon filters (another 100% must have) and if humidity is a problem like you state there's also dehumidifiers. all of this is extremely common knowledge and any serious grower takes these measures. if what yous aid was even half true these guys running huge op's and grow logs on icmag and similar sites would be getting busted left and right, which they are not because they run a tight ship and avoid all the other huge risk factors i posted earlier.

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Invisiblefastfred
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Re: 6500K CFL Lighting [Re: Anonymous #2]
    #12599367 - 05/20/10 04:47 PM (14 years, 2 days ago)

> not really cool to just automatically assume everyone responding is a total dumbass with no experience,

I didn't mean it that way.  IME I had trouble keeping the temps down with one 1000w light.  It heated my place almost entirely for the whole winter.  I can't imagine doing it during the summer or with more lights.

My idea was to keep the tomato smell down and heat my place with the light to save on electricity.  I had a greenhouse within a room.  The greenhouse vented with a large box fan into the room.  I had an ozone generator in that room to help treat the air.  From there the air went into my bathroom through a vent under the bathroom sink.  The air then circulated throughout my place and at night I would run a box fan in my kitchen window to take it outside.

My biggest error was not sucking in fresh air to have a one-way system.  It ended up sucking air from outside the room into the room, mixing with the room air, then mixing the greenhouse with the room air and so forth.  There's really not a lot I could have done since I couldn't make major changes to the outside of my place.

Anyways, to see someone poo-pooing the difficulty of keeping a 1000w light area cool just made me think you hadn't dealt with it before.

If you've got a good setup and can do whatever you want it's probably not that difficult.  I'm just saying that a 1000w light will easily heat a mid-sized 2bdr apartment, and it can get pretty hot even with a box-fan in the window circulating air out of your place, even in the winter.


-FF

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OfflineCascadian
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Re: 6500K CFL Lighting [Re: fastfred]
    #12600643 - 05/20/10 08:16 PM (14 years, 2 days ago)

So this thread was initially about 6500K CFL lighting, which produces no heat.  The past 8 or so posts arguing about heat deflecting foils and thermal imaging have zero to do with CFLs.

Just dont want to scare the original poster here with all your pot-growing debates.

Homie was scared of hooking up an 8 watt lightbulb or two, having 0 effect on how the police would 'thermal image' your house.

Thread has gone wayyy too far.

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