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  1. C

    Little help needed...

    Little help needed.... Got a Mean Well 320H-36b driver. currently NO potentiometer hooked up to it. Have 2 cobs, Citizen CLU048-1212 properly hooked up to their heatsink. When wiring just one cob from the driver, brown driver lead to positive, negative to blue driver lead, the cob powers up...
  2. C

    2700k, 3000k, 3500k, 6500k... wtf?

    A little help would be appreciated in clearing something up for me. "Back in the day " we used a higher spectrum (mh @ 6500k) for veg stage, then went into a lower spectrum (hps @ 2700k) for flowing. Now with these COBs, I see a lot of recommending of a straight 3500k. Wouldn't it be more...
  3. C

    First LED Attempt

    Ok guys - any introduction is in order first. Been a grower but with CFL/Floro and Metal Halide (Veg) and strict HPS (Flower) Long time lurker and learner here, but now I'm wanting to start trying a perpetual grow with LEDs, specifically a DIY COB setup. So, I run 9 plants at a time, in a 3' x...
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