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Lighting and Ventilation

Grow room lighting and ventilation information and discussions.

1,619 topics in this forum

      • 420 Crew
    • 22 replies
    • 2.1k views
    ooodog
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    • 30 replies
    • 4.7k views
    Jimboss83
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    • 8 replies
    • 664 views
    PainMan
  1. New led light design 1 2 3 4

    • 31 replies
    • 2.3k views
    ooodog
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      • 420 Crew
    • 37 replies
    • 20.2k views
    pri0015
    • Upvote
  2. Evaporative Cooler?

    • 6 replies
    • 745 views
    • 3 replies
    • 599 views
    Greenbum
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    • 5 replies
    • 664 views
    kloud9
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      • 420 Crew
    • 4 replies
    • 715 views
      • 420 Crew
    • 94 replies
    • 6.6k views
      • 420 Crew
    • 9 replies
    • 1.1k views
    nici
    • Upvote
  3. Whisper quiet fans

      • 420 Crew
    • 3 replies
    • 557 views
    • 1 reply
    • 574 views
      • 420 Crew
    • 20 replies
    • 1.7k views
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