• Here is a link to the full explanation: https://rollitup.org/t/welcome-back-did-you-try-turning-it-off-and-on-again.1104810/

inline fan question

R

Resin225

Active Member
chrisg420 said:
so i was wondering if any1 has used the hydrofarm active air 95 CFM blowers?

http://www.horticulturesource.com/environmental-controllers-co2-generators-fans-blowers-duct-air-purification-c43/fans-blowers-ducting-s32/hydrofarm-active-air-blower-95-cfm-p6391/?osCsid=4a74f1abc3cd6c9e92e32fd8e04f408f

kinda wanted to know if that would air cool a 400 watt hps in a 4x2x7 tent?
Click to expand...
4x2x7=56 cubic feet. You would change the air out just under 1 1/2 times per minute. add smell stopper (carbon filter) built to match the cfm. You should be at 1 change out per minute.
 
B

Bob Smith

Well-Known Member
I'd go bigger.

I've got a 425CFM cooling my 400HPS in a 4x2 tent (not hooked up to a carbon filter), and I truthfully wouldn't go any smaller.

1 time for minute is not adequate ventilation, IMO, especially when using HIDs.

Check out my journal/Youtube links for pics/videos of my setup - I go quite in-depth into ventilation, as I feel it's of very, very high import.
 
B

Bob Smith

Well-Known Member
All these questions and more are covered in the link below, FYI.

Veg tent gets about 2 or 3F over ambient temp in the garage.

425CFM exhaust pulling through air-cooled hood.

170CFM intake.

My fans (a 6" and 4" inline) were $80 and $60, respectively (if memory serves).

Businesslights.com
 
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