if you're on 24/0 right now, you should switch to 18/6 after about a week. Personally i stay with 18/6 from day one until about 6 weeks, then i go into 12/12.

I like to stick with 18/6 because it's much closer to a natural light cycle.
BobBong Reviewed by BobBong on . Help! What am i doing wrong?? 6 days ago i planted my seedlings the 5 i planted sprouted but they are stretching for the light (2) 20w Flors 2-3 in. away. Is this too much or not enough light. I water every 3 days. Thay are probably 4 in. tall with only 1 set of leaves at the top. Soil, vermeculite, perlite miricle grow. ????? Rating: 5