Black Mamba and White Kush, Aeroponic Closet

Oldest is a about a week and 2 days, youngest is about 2 or 3 days old.

I am using foxfarm nutrients

I have 150 watt flourescent w refelector and 6 cfls

it didnt get water and died, had to start a new seed

here is a pic of the seedling popping up

another good pic later that day of the same seedling

when can i top/fim/lst?