10 inch inline fan

Cabbagelit

Active Member
I’m running a HLg 600, HLG 125 and es sky 300 in my 4x8 space. I’m using a 6 inch inline fan from ac infinity. Max fan speed getting temps
Down to 78 in flowering. I got about 1500 Ppms of co2 . So im sure they can handle the heat. But I want to get it cooler

my question is: do you think a 10 inch inline fan will fit the duct ports in my vivosun tent?
 

Norml56

Well-Known Member
I’m running a HLg 600, HLG 125 and es sky 300 in my 4x8 space. I’m using a 6 inch inline fan from ac infinity. Max fan speed getting temps
Down to 78 in flowering. I got about 1500 Ppms of co2 . So im sure they can handle the heat. But I want to get it cooler

my question is: do you think a 10 inch inline fan will fit the duct ports in my vivosun tent?
I run 8inch ducting and I would say that is probably the max. I'm not sure you would need a 10inch inline fan for a grow tent. That is A LOT of air.
 

1212ham

Well-Known Member
I’m gonna buy one then! Gotta get these temps
Down
You'll have slow growth with lower temps. With LED, optimum temperature is around 81-84F or 27-29C. It's all about leaf temperature. The IR from HID raises leaf temps above air temp, but LED has no IR and transpiration cools the leaves to about 2°F under air temp.

Humidity is more important under LED. Here's some good info on VPD, Vapor Pressure Deficit. I use the second chart.

 

Rocket Soul

Well-Known Member
You'll have slow growth with lower temps. With LED, optimum temperature is around 81-84F or 27-29C. It's all about leaf temperature. The IR from HID raises leaf temps above air temp, but LED has no IR and transpiration cools the leaves to about 2°F under air temp.

Humidity is more important under LED. Here's some good info on VPD, Vapor Pressure Deficit. I use the second chart.

This!
With extra CO2 its even more important not to run too cold; it will close the stomata even more and can give your transpiration related deficiencies.
 
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