right now with that stretch id leave them as close as possible without touching the plants , for 24/0 ,,, them cfl's yes they are 26 watt ge helical ,, did the package say (daylight) on the front of it in light blue lettering .... ,.. when the light is lite up ,is it solid white with a hint of blue , this is 6500K spectrum...... or is it yellowish , just liek a regular house incadecent light ..this is the 2700K ,, there is all in between also ,, but cfl's come in these spectrums mainly.... , mount all them lights on a board or somthing ,, i made one with cardboard & ducktape & cut holes in it for teh light socket to come thru & u should use them (Y) light twin socket adapters , they have them at any hardware store for 2 - 3 $$$... get all ur lights situated & then put them about 6 inches above ur tops ,, under your plant pots stack up some CD cases intil the top of ur plant is within 1 inch away ,, if its starts to touch the bulb , just remove 1 cd case ..... get some cheap buckets from the local 1$ store ,, ( i have used mini trash cans from the dollar store , cut holes in the bottem ) always make sure there is good drainage , plant ur babies up to the 1st leaf set . & DO NOT OVER WATER ,, ..., yes 12/12 is for flowering ,, but u are not to that point yet ,, so in the meantime while your wating to get to the flowering cycle ,, read up on here & soak up as much info as u possible can ,,
,,