I've burned several seedlings trying to germ them under a 400w so I'd say stick wtih a cfl or something pretty gentle.
Weedhound Reviewed by Weedhound on . seedlings under hps ? Hey canna.com'ers iv just gotten a 400w son-t agro hps with a cool tube and fan/ducting. I just wanted to know if i could hatch seeds in soil under it. Would be great if i could. Thankyou :) Rating: 5