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  1. J

    PJ300 LED Grow Lamp vs HPS - Cannabis Grow Experiment

    I would like to give my opinion on the PJ300 LED Grow light. I'm not a professional grower. I've been growing cannabis for about 2-3 years now. So far I've had about 4-5 harvests. At the beginning I was using a standard HPS 400W lamps. However, these lights make cooling the tent very...