8 ball kush 12 days into veg, TINY!

hey everyone i got 4 8ball kush plants in veg right now under 400w MH. they are 12 days in and growing real slowely! here is the link to my grow journal, lots of pictures and explanations to what im doing there!
https://www.rollitup.org/indoor-growing/517825-8-ball-kush-grow-3.html

https://www.rollitup.org/indoor-growing/517825-8-ball-kush-grow.html

any help at all would be great! thanks dudes