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  1. Mariano Gomes

    Samsung diodes board owners and experienced growers post your GPWs here

    So I was thinking of starting a thread for grams per watt (and if you want to be more accurate include grams per kilowatt hours for your whole grow op) on quantum boards or whichever led products that use the samsung diodes since quantum is just a brand and a lot of people are coming up their...
  2. G

    Why I prefer COBs to Quantum Boards

    Quantum Boards are essentially the same as COB'S. Except for the fact that they are spread out over a larger area to cover a large heat sink. The result. Quantum boards are too much like an LED box unit. With Quantum boards their is more cross lighting in the center causing the dreaded "hot in...