im sorry if i came off a lil rude but i kno the basics ive been growing for 4years now but i jus made a switch to coco. now ive never had this problem in my other set up except for once do to over heating. but the temp is fine and its still happening. i have two 10 exhausting the 2k light's heat and a 14000btu ac two 6 inlines scrubbing and circulating the air in the room plus 4 oscillating fans