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  1. NorthernEmeraldNursery

    Building grow room in my garage

    Hey guys currently I have two 4x4 tents in my garage. I'm going to build a 8x8 insulated grow room in my garage because it gets way to hot here in California. I have all the drawings and how everything is going to be set up. I'm thinking about doing OSB on the outside, roll in insulation in...
  2. NorthernEmeraldNursery

    Picking the right Driver

    Need some help guys picking a driver. Last build I used HLG-185H-C1400B per 4 cobs but I want to use a bigger driver this time. What should I use for 4 vero29 gen7 cobs- Mean Well HLG-240H-C1050B Mean Well HLG-240H-C1400B Mean Well HLG-320H-C1400B Mean Well HLG-320H-C2100B
  3. NorthernEmeraldNursery

    Another Cob build but more advanced

    So for my birthday which was last Sunday my wife knew I wanted to build another light and kept asking me all these questions what I wanted I told her parts for another cob light. So she went through my drawings and notes for the next cob light I wanted to build and ordered me parts. And she...
  4. NorthernEmeraldNursery

    Picking the right Potentiometer?

    Hey guys so I just assembled my 8 cob LED'S and the 6061 aluminum that I ordered will be here Tuesday. I have 8- cxb3590 3500k & 2- HLG -185H-C1400B drivers. I'm going to be wiring then into the same plug and want to know what kind of potentiometer I need and resistor? I live in Northern...
  5. NorthernEmeraldNursery

    8 cobs 4x4 area?

    I recently just ordered 8- Cree CXB3590 3500k 36v DB bin cobs 8-150*70mm pre-drilled pin heatsinks 2- HLG-185H-C1400B And all the holders and reflectors and stuff. But how will 8 cobs do in a 4x4 area and how could you space them or arrange them?
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