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  1. B

    Advise needed

    Hello, RIU. I need some help from expirienced LED users. First of all I would like you to look at my spreadsheet and tell me if my calculations are right: lm = lm/W * W total eff = lm/W / 325 ParW = W total * eff mmols/s = ParW * 4.66 or mmols/s = lm / 65...
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