ok so i got 10 small sprouts 3 days old 2in high,now there in my window in peat pys in a propagator ,i plan on putting them under a 400w hps light with a nice fan too keep it at a right temp in around 10 days when i repot them ,is his ok or will they strecth alot and if so is stretching bad ??
Sunlight will produce more of a stretch, especially through a window. When you repot, bury them up to the cotyledons.