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Cannabis

SHRED

(28,136 posts)

2. Thanks

Reply to jmowreader (Reply #1)

Thu Nov 12, 2015, 09:59 AM

Nov 2015

For this grow I may cut a 9 x 9 square hole and seal an HVAC filter over the opening.
I'm growing autoflowers so a little light during lights off I think is okay.I'll need to confirm that.
I have a hard-sided grow space.

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Venting a grow space [View all] SHRED Nov 2015 OP

At least as much air should enter as can exit, if you want your blower to run at max efficiency jmowreader Nov 2015 #1

Thanks SHRED Nov 2015 #2

I found this just now SHRED Nov 2015 #3