Hi i am new to this forum and need a Advise from the electronic and μmol calculator experts. (Sorry for my bad english its not my main language)
So i have a Tent 1,44m x 1,44 m ( should be like 4,6 f x 4,6f i guess.)
I actually have my Seedlings under a 250W CFL to Veg softly.
I have 600W HPS...