Quote Originally Posted by turksteelman
Are you serious? Only 2 plants under a 4ft 8 bulb T5HO with 2 additional side lights? That should be about 50000 lumens. I know that 5 plants is pushing it and something I won't do again but I should be able to squeak this grow out for 1 more month.
5,000 lumens per cubic feet is a good recommended amount of light. 2 plants that are 2x2x2 is 16 cubic feet. Thats 80,000 lumens. So yes 2 plants for a single 8 lamp setup.