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Light leak

Hi everyone. I switched to flower today (12/12) and the best times for it to go dark for me is 8pm-8am.

my question is can I close both vents on my grow tent during dark to make sure no light comes through? I can’t keep the room 100 percent dark.

I was thinking of a black sheet to throw over the tent if I can’t leave the vents closed. I’m just worried about circulation.

thanks!

2 answers2 replies

Comments (4)

Mr. Grow It

Jun 08, 2021

Many people close the vents but keep one of the lower socks open and have duct coming out from it and wrapping 90-degrees so no light gets in.

Cap Stone

Jun 08, 2021

Replying to

That's what I do. I have 4 inch ducting coming out of both a lower and upper sock for intake and one exiting from the inline fan for exhaust out of the tent.

The bends in the ducting stop any light from getting in and still allow for good air flow.

I do throw a tea towel over where the two zippers meet when I close the tent up to stop any light leaks there.

pena.wilson

Jun 08, 2021

Replying to

@Cap Stone @Mr. Grow It Thanks! I think that’s exactly what I need to do. Thanks again!

mwhite9829

Jun 07, 2021

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You can get small inline fans and duct for air flow so you can close the vents. When I used tents I had 4 inch ac infinity fans with speed control. Weren't to bad priced on Amazon.