Heat rises.. you need to remove the heat from the top and input fresh air at the bottom
BobBong Reviewed by BobBong on . NooBie HELp (temps to high) Hello I have a 2x4x7ft box in my closet with 10 seedlings starting to grow. today 7 of them popped thru the dirt but some had curled downward, and some had yellow another a purple color on one of its side, then i noticed the temp reading was at 109%F :( thats with a 3ft Osc Fan. how can I keep these temps down. I have a 400 watt MH about 4 ft away from the plants Rating: 5