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  1. C

    what is the maximum number of 1000 watt lights that can be vented in a series?

    what is the maximum number of 1000 watt sodium vapor grow lights that can be vented in series?
  2. C

    powdery mildew

    Does powdery mildew still progress after plants are cut and trimmed? In other words is the whole crop going to be ruined.
  3. C

    Well water excess iron & sulphur

    Help, my well water has too much iron and too much sulphur. How do I prevent damage to the plants? We currently have a 5 micron filter. I am new and am lost.
  4. C

    sulphur burner

    I bought a sunlight supply inc national garden wholesale greenhouse vaporizer but am unsure how to use . Do you wet the leaves because the paper say use only when leaves are damp.
  5. C

    sulphur burner

    I bought a sunlight supply inc national garden wholesale greenhouse vaporizer but am unsure how to use . Do you wet the leaves because the paper say use only when leaves are damp.
  6. C

    sulphur burner

    I bought a sunlight supply inc national garden wholesale greenhouse vaporizer but am unsure how to use . Do you wet the leaves because the paper say use only when leaves are damp.
  7. C

    Powder mildew two weeks until harvest

    What can be done if humidity is 40% and good air flow
  8. C

    Neem Late In Flower?

    Can I use neem on powdery mildew in late flower stage?
  9. C

    Neem Late In Flower?

    Can I use neem on powdery mildew in late flower stage?
  10. C

    Powdery Mildew

    Can I use neem on late flowering for powdery mildew
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