You can choose to switch to 12/12 whenever you want. Just remember they can double in size or more after the 12/12 switch so you must time the 12/12 according to your grow space.
GetThisOrDie Reviewed by GetThisOrDie on . 24/0 to 12/12?? ok so i made a mistake my plant is not 5 weeks its 4 .. and i recently switched it from 24 hours of light to 12 hours of light and 12 hours of dark ? good move or not? Rating: 5