generally 1 per sq. foot is ideal, but you can pack em a little tighter and get better results, like 1 every 9 inches is a good number
illegal 82 Reviewed by illegal 82 on . How many plants for SoG under 1,000w HPS (8X8)? I was thinking 36, 6 2X3 rubbermaids with 6 plants each. Anybody with experience knowhow? Rating: 5