18/6 here...

it's personal. grower specific if you ask me.. some people just can't afford to have the lights on for that long..

but you can't blame the plant for going hermie (if it does) on a 24/0 or 24/7 light cycle

Bob.
BobBong Reviewed by BobBong on . lighting question i hurd a rumor that when your growing indoor plants its smart to keep the lights on them 24/7. is that true?? Rating: 5