We have a veg and flower tent or atleast we will soon. We are about to flip to flower and we have been running with the vents on the grow tent open to draw in fresh cool air. With another tent running a different light cycle is there a way to block light and still draw in fresh air during flower?
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I'm going to try running a 4" inline fan at the bottom to draw in air. I think I can actually tie it to my 6" exhaust so they come on at the same time.
Depends on your setup but if you have the two tents beside each other then open the intake vents on opposite sides of each other so light doesn't leak into the other one.