i reckon a 250 watt would do for that space,im usin a 250 watt mh in a wardrobe with space of 3.5 ft x 1.5 ft and 5.5 ft high,i have 6 plants under it and there all doing great,notice second pic,thats 10 days later just a day after transplanting
wardrobe grower 78 Reviewed by wardrobe grower 78 on . lighting problem I HAVE A 150W HPS IS THIS STRONG ENOUGH FOR A COUPLE OF PLANTS IN A SMALL GROWROOM. Rating: 5