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  1. Blossom21

    Power and distance from canopy with 500w QB's when starting new grow (and later stages)?

    How strong and what height should i run those quantum boards (knock off qb288 v2 lm301b x 4 @ 500w build) at different stages? I'll put my first seeds in soil soon and don't know how much power should i use or how high should i hang them from the cups. I don't have other lights i could use...
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