Would those be considered an "active intake" since they have the fan on the hole? I always thought passive would just be an opening with no fan pulling air in.
AR15 Reviewed by AR15 on . ???? ON FANS i have an 8 inch portable fan I bought at HOMEDEPOT that is pointed directly at the plant and/or pot and it has 3 power levels would it be bad to have it on full go through the whole grow process???? I was thinking lvl 1 at veg stage then bump up to lvl 3 during flower stage any thoughts????;) Rating: 5