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Lighting and Ventilation

Grow room lighting and ventilation information and discussions.

1,618 topics in this forum

  1. MH Bulb

    • 0 replies
    • 515 views
    States Zone
    • 6 replies
    • 918 views
    • 8 replies
    • 1.2k views
    gilly
  2. Cheap Lighting. 1 2

      • 420 Crew
    • 18 replies
    • 1.5k views
    Nath
  3. mylar

    • 3 replies
    • 746 views
    States Zone
  4. Shades

      • 420 Crew
    • 1 reply
    • 724 views
      • 420 Crew
    • 16 replies
    • 1.6k views
      • 420 Crew
    • 3 replies
    • 1k views
    • 13 replies
    • 1.3k views
    • 2 replies
    • 670 views
  5. Lighting help

      • 420 Crew
    • 5 replies
    • 710 views
    Tom
  6. Light Cycle 1 2

      • 420 Crew
    • 19 replies
    • 1.3k views
    LongFingers
      • 420 Crew
    • 3 replies
    • 920 views
      • 420 Crew
    • 15 replies
    • 1.8k views
    MARTYR
      • 420 Crew
    • 17 replies
    • 1.9k views
    jackfrost
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