sorry about takeing so long to reply, some shit happened here.
anyway ,yeh sorry tt i should have said one fan pulls through an air cooled super nova 6" from outside the room so shouldn't make any differance. unless it gets so cold lights off that it acts like a chiller.the other one pulls through a carbon filter and out so if i turn it off i have almost a sealed room (sealed if i close intake vents) my main concern is can my plants handle no air exchange in the dark hours?hmmmm i hope so cos i just turned them off.
if anybody thinks this is going to harm my plants please let me know ASAP.
so to recap on temps 24c-75f lights on 18c-64f lights off.
or am i just flapping and there is no problem?:wtf: