I start with 18hrs light 6 dark everyday.Then I switch to 12/12 til there finish.Depending if I'm just cocentrating on SOG or jus one plant I veg between 2 week to 5 week.I tell ya something SL they gona be some big momas.They wont finish til what late sep early oct they got plenty growin to do til then lol!What strain are they and how did you prep the soil before planting.How do they cope with our weather.I'l ave my lickle plot soon hahahaha!