Air Floor

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"A leaf is usually a thin, flexible "sandwich" of plant cells. The outside, the "bread", has waxy cells, to help keep moisture inside the leaf. But it also has holes, called stomata, that allow for the exchange of gases for respiration. Plants "breath in" carbon dioxide (CO2) and "exhale" surplus oxygen (O2), through the stomata, which are mainly on the underside of the leaf."
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Leaf pores, called stomata, are microscopic structures that control the exchange of water and carbon dioxide between the plant and the atmosphere. Stomata evolved when plants colonised land about 400 million years ago and have kept the same general shape ever since. But their size and number has changed quite considerably throughout their history.

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Stomata in green.



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nice dude. Yeah, my normal tents have panda film but one had that etal stuff inside and the reflection was awesome. As a joke I draped some aprty mylar over a light and it was awesome. Like another light. I got to get some of that stiff metal up. Lol, I saw the floor and thot of an airhockey table. That would be awesome, let your plants bump around. Talk about light. I dont think that the leaves woud get wind burn. I had this happen. It is ugly. But was a big fan right next. Nice room. Co2 ready?

Nice Hobbes. I totally understand your idea of drawing the fresh air across the stomatas from the underside up. Brilliant!

I just wonder if the amount of air that you can have flowing across the leaves without windburning them will be enought to keep your temps at the right level. Since you're using a lightrail and it's a huge tent I think you'll be fine, especially if you're at a higher latitude. I'm really far south in a hot, hot place and I need crazy heat extraction via fans and portable a/c. Hmmmmmm, if i could do the same and have my a/c output cold air under the floor to be drawn upward I think even I could do the same...

I wonder though, it's preferable to have the substrate a little warmer than the air above the ground level so I wonder how this will affect that?

Gotta keep us posted on this one bro! Great ingenuity!

Hobbes great ingenuity at work

It worked or what?

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The Air Floor works very well Kevin - my yield is up to just over: 3 litres a bucket (average); 12 buckets in an 8'x3' garden; under a 600 watt light. Weight per litre at a low estimate of 60 grams per litre after a 4 week cure; 25% of cut weight; 40% cut volume. It comes to just over 3 1/2 cured grams per watt.

60 grams x 3 litres x 12 buckets = 2,160 grams / 600 watts = 3.6 grams / watt

The Air Floor: feeds fresh CO2 to the stoma under the leaves (yield, potency, flowering time); removes excess humidity from the canopy (mould and bugs)

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I was just thinking the other day about large server rooms and how they vent. It's very common to find this sort of floor injection, and I was wondering how it would translate to growing. Bad ass to see that you've played around with it!

Hobbs I must say it's a great idea. I just duplicated your room last week and put 2 twenty inch fans underneath. But i was wondering from the wood deck to the floor did you cover the frame work around your the lower part of your box or was it left open like mine?
I was thinking of sealing that bottom part where the fans are to create more pressure.That way the air is forced up and not pushed out the sides. Is that what you did? I couldn't tell by your pics.Dads 800.jpg