Tent grow ventilation

[Tynehead Tom]

One more thing wot temps are you guys running

Biggest thing that I paid attention to.... Temp vs Humidity
the "sweet spot" for Ideal Vapor Pressure Deficit, which controls how efficiently your plants transpire and breath in the environment are as follows and I try and match this as my temps fluctuate with the outside air feeding the lungroom.
77F: ideal relative humidity 70% - 75%
78F - 79F: 72% - 76%
80F - 81F: 73% - 77%
82F - 83F: 75% - 79%

 

[TreehouseJ]

One more thing wot temps are you guys running

Your ideal temp will depend on how much light and co2 you can provide, among other factors. I don't mean to sound abrasive AT ALL but do yourself a favor, and sort threads in the forum by their star rating, and read all of the 5 star threads, starting with the ones pertaining to tents. All of the little details will fall right into place. Shorter answer would be ~80F.

 

[Brayo1978]

Cheers guys for your help. Treehouse is the inside filer connected to its
Own exhaust fan. And where are u venting the hot air.

 

[Brayo1978]

Cheers guys

 

[TreehouseJ]

Cheers guys for your help. Treehouse is the inside filer connected to its
Own exhaust fan. And where are u venting the hot air.

Yes, it is connected to its own can fan which is much smaller than the centrifugal cooling my lights. My crawlspace is pretty big, that vortex just pushes all the heat from my veg tent and my hps' out into my open basement which then just.. recirculates into the rest of the house on its own.

 

[TreehouseJ]

A look into my 5'6" crawlspace. I would have tried the lung method if all the joists and ducting didn't make everything so awkward. I tried framing out a couple rooms back there awhile back and it was a nightmare.

 

[TreehouseJ]

And here is a couple pics of the inside..

Without these heavy duty twist ties, my buckets would float clean out of their ice water baths.

This is my kamikaze co2 generator. I have to use her in conjunction with a gas leak detector, and keep the whole thing tilted ~5 degrees to prevent the condensate from the water tank from dripping into my pilot light. It takes ~10 days to drain a 1 lb bottle which keeps me stable between 1000-1150 ppm, so even if the pilot went out, the bottle leaked all night, and my leak detector failed to go off, I would only be dealing with <1/100 lb of propane per hour in a 1k square foot basement which is rapidly exchanging air with the rest of the 1200 square feet of my home. Runs me $15 every 60 days. Not the smartest thing in the world, but I feel a lot safer doing this than hooking up my Chinese generator to a 20 lb tank.