As of today ICMag has his own Discord server. In this Discord server you can chat, talk with eachother, listen to music, share stories and pictures...and much more. Join now and let's grow together!
Join ICMag Discord here!
More details in this thread here: here.
Wow you need to provide more info. What kinda soil? Seems to me that its cause your soil is to hot and its burning your plants. Should have gone with seedling started instead.
Oh and why are you vegging seedlings under a 400w HPS? You should just be useing a floro or CFL's or MH.