Quote:
Originally Posted by 0zzy
What about on cool days? The temps very all year. I thought you said it was bad to leave your fans on while the lights are off. You said hook my fans to a timer and have it go off with the lights. Is that rule only good in your grow room?
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if one doesnt have temp probs, then no you dont need fans on 24/7, but if u got high temps, then u need the fans. lights on temps need to be 75-78, lights off temps need to drop 5-15 degrees. its all about temps & air cirulation