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  1. Friendwithweed

    Which light HPS or MH if doing perpetual auto flower grow?

    High all, I am planning on trying a 20/4 perpetual auto flower grow and wondering if I can only use one light which is best to use HPS or MH. My room is 5x5 and I have a 1000K switchable ballast. I have a sealed room, vent through light, Co2, and grow in soil. Any ideas would be highly...
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