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    HPS radiant heat problem, cabinet design

    Perhaps insulate your flowering section, as to protect the veg one, other than that get a cool tube on your hps.
  2. A

    150watt HPS/CFL DWC Hydro Grow. First Attempt

    did you test your ph?
  3. A

    the darkness before the light.....

    go straight from 18 to 12.
  4. A

    tent extractor fans

    Negative pressure inside wont hurt it. At least not as far as I know. but it could put strain on your fan.
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