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Lighting and Ventilation

Grow room lighting and ventilation information and discussions.

1,618 topics in this forum

  1. Mars hydro fc 6500

    • 7 replies
    • 340 views
  2. dehumidyfier

    • 0 replies
    • 469 views
    • 0 replies
    • 484 views
  3. The better grow light?

    • 5 replies
    • 377 views
    • 420 Crew

    Quieter fan 1 2 3 4

      • 420 Crew
    • 38 replies
    • 2.7k views
  4. Hepa filters

    • 2 replies
    • 649 views
    • 0 replies
    • 243 views
  5. Lighting Intensity Vid

    • 0 replies
    • 203 views
    • 17 replies
    • 5.8k views
  6. Hi-PAR S-One 315w CMH 1 2

    • 10 replies
    • 1.2k views
    • 2 replies
    • 579 views
    • 1 reply
    • 742 views
    • 4 replies
    • 449 views
  7. Changing from HPS to LED

    • 3 replies
    • 644 views
      • 420 Crew
    • 23 replies
    • 2.1k views
    • 420 Crew

    150mm duct through ceiling 1 2

      • 420 Crew
    • 16 replies
    • 1.1k views
    • 4 replies
    • 556 views
  8. Light Control Boards

    • 4 replies
    • 403 views
    • 6 replies
    • 456 views
    • 5 replies
    • 637 views
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