18 on 6 off is fine you should try to get your light closer once they have broke the soil to keep stretching to a minimum.
bejay Reviewed by bejay on . height and length of time of lights with seedlings ok well a few of my seeds (blueberry and northern skunk) have sprouted and i put them into my growroom. i have my 250watt hps about 2 feet above the little guys but i duno how long to set my timers for with seedlings. and when do i start the 18/6 cycle? Rating: 5