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Lighting and Ventilation

Grow room lighting and ventilation information and discussions.

1,619 topics in this forum

    • 7 replies
    • 735 views
    Guest
  1. 150-100mm duct reducers?

    • 4 replies
    • 1.7k views
  2. Basement setup.....

    • 9 replies
    • 994 views
    pipeman
  3. help

    • 4 replies
    • 705 views
  4. MH light for Flowering?

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    • 706 views
    • 26 replies
    • 2.4k views
      • 420 Crew
    • 11 replies
    • 6.5k views
    • 4 replies
    • 972 views
    chief23
  5. Lights drying out soil?

    • 9 replies
    • 1.1k views
    XerXes
  6. light questions 1 2

    • 13 replies
    • 1.7k views
    syk613
  7. Any sparkys in here ? 1 2

    • 19 replies
    • 1.7k views
  8. Guest young420pot

    Flouro Light?

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    • 1.2k views
    pipeman
    • 4 replies
    • 1.4k views
      • 420 Crew
    • 23 replies
    • 1.8k views
    Tom
  9. Guest elefunk_delivers

    2 x 400hps for Sale

    • 2 replies
    • 716 views
    Guest
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