I guess I should add, I was planning on using an Ebb & Flow system that I built...It would hold 8 easy...It is 4-14 gal rubbermaids with a 25 gal res. I could easily go with 6- 14 galllon rubber maids/
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IVXX Reviewed by IVXX on . HELP! 250 HPS or 400 HPS??? I will be flowering 4 plants, maybe 8, in a 4'x8'x8.5' high space that is well ventilated...Want to know whether I should go with 2- 400 watt HPS or 4 250 Watt HPS? Rating: 5