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Medijuana · #45 (**permalink**) 03-22-2009, 10:44 PM

So I took some temps of my cool tube running a 600 watt hps (95,000 lumens) and got 106F exiting tube and 126F 8" below tube. The tube and all asociated parts were cool enough to handle with bare hands. I see no problem running this 24/7. Also this was only hooked to 4" ducting and a 4" inline fan, not some giant air sucker, so temps could probably be a lot lower depending on fan type!

#45 (permalink) 03-22-2009, 10:44 PM
Medijuana Caregiver Join Date: Mar 2009 Location: Back In The Old School Posts: 18	Re: DIY: Best Cool Tube So I took some temps of my cool tube running a 600 watt hps (95,000 lumens) and got 106F exiting tube and 126F 8" below tube. The tube and all asociated parts were cool enough to handle with bare hands. I see no problem running this 24/7. Also this was only hooked to 4" ducting and a 4" inline fan, not some giant air sucker, so temps could probably be a lot lower depending on fan type!