Quote Originally Posted by oldmac
Dutch Pimp,

The big advantage to 18/6 in my set-up is that during the 6 hours the lights are off in the mother room, those plants are taking in oxygen and giving off CO2. The air inlet to my bloom room is from the mom's room, so I get 6 hours of elevated CO2 levels. (for the other 6 hours they get a "fuzz-puck")
Taking in oxygen and giving off CO2 ?????????