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  1. H

    COB for small tent

    Bridgelux EB gen 2. Eighteen strips will just fit, and a 200 watt adjustable driver will give any light level you want from clone up to kill-a-plant. No heatsinks needed, can be turned down and run two inches from tops for maximum headroom if needed, and the even coverage from a 20"x23" panel...
  2. H

    cheap HPA pump

    I miss-typed, it was two tefens directly on the outlet. They don't have a chance of matching the flow, but the throw is impressive at those pressures. The way the mist washed by the hole in the lid from 20 inches away reminded me of one of your videos looking down into an AA chamber. I'll see...
  3. H

    cheap HPA pump

    I picked one up for a backup to an 8800. The flow is pretty sad, never timed it but one gallon takes a couple, three, four minutes with no back-pressure. Pressure is excellent, one tefen on the outlet makes hydraulic look like AA. The cover to the diaphragm will leak and most likely crack from...
  4. H

    cheap HPA pump

    They work very well. Use an external control for pressure, the mechanical switch is not reliable. Take out the switch and short the connections so it turns on when power is applied.
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