don't do it. your plants need 12 hours of uninterrupted darkness in order for the flowering hormone to build up to the levels necessary to induce flowering. Light suppresses the hormone.

also, 6 on 6 off does not offer any advantages over 12-12 in terms of more light per day, so what's the point?
Cornelius Reviewed by Cornelius on . Just Curious, 6 hr/on and 6 hr/off? Has anyone ever tried this during flowering? Peace PIF Rating: 5