and i use 24/0 all the way up to flowering...20/4 if heat buildup calls for it.

and yes, keep those flouro's right at the tops. a fan will give the stems strength...
del... Reviewed by del... 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