Baldy.....I use 8 x 4x 8. I grow hydro. I've been getting about 4-5 oz with 4-6 plants in the space. That's 4-5 oz per plant...not total. I use a 1kw light. Everyone can add the numbers up any way they want and hash over watts per...in my HUMBLE opinion you have enough light and that's not your problem. if you have enough air space per plant then check your soil space....how big are you pots? And if that isn't the problem I'd start looking at your nutes and ph etc....just as HTID said above.

I've crabbed out my piece so will now leave you guys to decide.....Good Luck
Weedhound Reviewed by Weedhound on . growrooms x 2 questions? Hi Folks. In a bit of a delema here,Ive just cropped 12 plants wich were from clone and vegged for 3 weeks potted up along the way finishing in 6.5 litre pots. Theses where in a room sized 6foot x 6foot x7foot high so 36 square feet,under 1 600hps and 1 400 hps & I only managed an oz per plant..roughly! Now after some maths I realise where I went wrong yield wise..not enough light covering the floor space :thumbsup: All Ive got are the combined 600hps and 400hps and without Rating: 5