That light is probably giving off much more heat then you think. When I turn on my HPS system I've gotten temperatures as high as 104 with no fans etc. Even now with a cool mist humidifier and an exhaust fan temperatures are 92 and 40% humidity. Go to eBay and search "Bake A Round" it's supposed to be a cheap alternative to the Cool Tube.
k1ucHt Reviewed by k1ucHt on . White widow Grow journal Hello, These are my Nirvana WW plants at day 2 from sprouting out of the dirt. I am using a 400 watt mh conversion bulb, with a fan and light running 18/6 but still seems pretty hot is that okay? Do they look good for day 2? I also have 6 Papaya seeds soaking in the paper towel method and waiting for them to sprout, 3 south african durban poison x skunk #1 by Sam the Skunkman, that are freebies, and waiting for my Nirvan White Rhino seeds to arrive in the mail to plant too I plan to Rating: 5