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  1. J

    Can a 630 watt CMH match a 1000 watt HPS?

    Got over 500 grams in my 5x5 with a cheap vivosun 630cmh on a light mover with premium bulbs(phillips and sun master) could have maybe got more if i was more experienced and had some extra co2 still had TNB a bottle going with an ac venting in kept the temps high to conserve the co2 around 86 to...
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