So I have a 600w hps that produces a lot of heat that's been a problem as temperatures outside have been rising. It's especially a problem as I have my Mars 700 in there as well. So I have spent 5 hours trying to reconfigure the groom including having the hps as close to the scrubber as possible. Everything I tried couldn't get temps below 28 at night. In the day temps hit 30 so I had to run the Mars on a night schedule only
Not any more.
The heat is generated and pushed in the direction of the reflector (down to the plants) and the circulation fan inevitably hits that hot spot and moves that hot air around the groom. So thinking how cool hoods work and deflection of the heat in general I came up with a novel idea. So I went to the shed and fetched the "Domed Bird Feeder Universal Squirrel Baffle". It's a plastic dome that stops squirrels feeding on bird feeders. I drilled 2 holes and hung it under the light inside down (the dome facing the ground). The dome shape captures the heat from the light and reflects it to the top of the tent. Turn down the circulation fan so that it produces a gentle breeze. What you are doing is allowing the hot air to rise and not be disturbed so the extraction fan can remove it.
Bingo
Temps now layered from ground to top (24 , 25 , 27). The dome is successfully deflecting heat while allowing light through.
So here is a cheap diy solution for you peeps
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