If youre going to be buying a 400w hps , I would suggest keeping the 250hps and buying a 250 MH. Use MH for your veg, and HPS for flower, have fun watching those tomatoes grow!
Joel Reviewed by Joel on . final plans will this work 2ftx2ftx4fttall 250whps trying to get set up for 3to 4 plants scrog. or do i need a 400w hps :) Rating: 5