you don't need a fan on 24/7. Turn it off for 6 or 8 hours, it wont hurt anything if you are worried about it.
MyMindIsGlowing Reviewed by MyMindIsGlowing on . do i need to keep the fan on 24/7? reason im askin cause its gettin cooler especially in ireland, and keepin the fan on with the lights off @ night, wont it make it even colder and wont that b bad 4 the plants? peace p.s they r still only early in veg if thats any help... Rating: 5