Oct 20, 2018 #1 D DaveL Well-Known Member I'm starting a new grow in a new tent setup. Do I only add the filter when it starts to get funky?
Oct 20, 2018 #2 C Calvados Well-Known Member You certainly have several weeks, but if you already have your filter why wait?
Oct 21, 2018 #3 pontiacman Well-Known Member I run my filters 24/7. Keeps out bad stuff and no smell at all.