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If I were to put 2 x 8" cans fan onto a 8 x 8 x 12" wye forcing air out the 12" side, how much static pressure would i be dealing with? Would this setup be inefficient? I need 1 fan to cool my lights and the other will be used to create negative pressure (outside of the grow room).

What strain do you guys think this is? How much longer does it have before the trichs start turning amber? Platinum bubba How much longer does it have before the trichs start turning amber? Alien OG How much longer does it have before the trichs start turning amber? Thanks in advance guys!

I have a quick ventilation question. I'm wondering which would be more efficient. 1. Venting scrubbed air outside which will be connected to my exhaust vent for my lights. 2. Venting scrubbed air back into the a/c ed room. Intake will be vented from a room, which will be a/c ed. This...

I recently purchased a Profilter carbon filter. When I opened the package it had some charcoal leaking from the inside. This even stained the prefilter. Is this normal?

Hey guys, I need some help with duct sizing.. 1). I have 6" cool tubes.. how many cfms can be pushed through? I've read that 6" metal ducts will allow 85-100 cfm.. but it does not state the distance of the duct. If the distance is short.. can more cfms be pushed through? 2). Should i...

What is the number of patients that can be used in a "caregiver" status grow, CA. Generally how many patients can I grow for without getting into trouble without becoming a collective, etc. 2-17? If I have patients recommendations posted will the police leave my grow if I am under the...