Positive Air pressure in veg & flower rooms

Bareback

Well-Known Member
I would think a little negative pressure will help fresh air and replenish the atmosphere . A little positive will push smell out any leaks . Although my comments don't really answer the ops question , negative is better for stealthy grows.
 

DemonTrich

Well-Known Member
How the F would positive or negative pressure allow a plant to stunt or grow any better?

PLEASE stop posting blatant untruths about growing.

Neg pressure helps (in flower) to not allow the stinky air to escape with out being forced thru your scrubber.
 

JDMase

Well-Known Member
How the F would positive or negative pressure allow a plant to stunt or grow any better?

PLEASE stop posting blatant untruths about growing.

Neg pressure helps (in flower) to not allow the stinky air to escape with out being forced thru your scrubber.
Yeah, I was talking in terms of smells lol
 

WeedFreak78

Well-Known Member
How the F would positive or negative pressure allow a plant to stunt or grow any better?

PLEASE stop posting blatant untruths about growing.

Neg pressure helps (in flower) to not allow the stinky air to escape with out being forced thru your scrubber.
I've thought about this a little bit. Understanding how plants work, I could see room pressure effecting transpiration, and therfore, nutrient uptake. Positive room pressure slowing transpiration, negative increasing it. A manometer to monitor room pressure could be another tool to dial in a grow.
 

SPLFreak808

Well-Known Member
Pressure is never a constant variable in growing environments.

Just temperature alone will increase/reduce pressure the same as it happens in nature, it is just one portion of the whole environment picture that can't really be dialed in because of grow room fluctuations.

So yes, its possible to change cannabis growth from changing environment (the tropics naturally has higher pressure & thicker air,so some genes/phenos could react accordingly) but attempting to control pressure alone is more trouble then worth
 
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Dr Magill

Well-Known Member
I've thought about this a little bit. Understanding how plants work, I could see room pressure effecting transpiration, and therfore, nutrient uptake. Positive room pressure slowing transpiration, negative increasing it. A manometer to monitor room pressure could be another tool to dial in a grow.
I think transpiration should be encouraged - just like respiration, circulation, translocation, etc. Can't think of a situation where limiting transpiration would be beneficial. Hot and dry----the plant handles hat on its own.
 
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