I would use 12/12 as that is what the natural cycle is just now. Especially if you are going out. Inside you can even use 23 on........

BG

def not 12 12 dude. thats what you want when your flowering. I just started growing and mine are 2weeks old and i do 18/6. i found that the 6 hours is when the plants grow best for me and i really see a difference the next morning. the choice is yours between 24hrs straight or 18on/6off

lol way to dig up a year old thread!

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Amendment 20 Compliant.

you should run your lights at 18/6

nah 12 on and 12 off is when you flower the plant at this time it shud b 16/8 or 18/6 until 2 months old den switch to 12/12 and have a happy harvest