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Lighting and Ventilation

Grow room lighting and ventilation information and discussions.

1,618 topics in this forum

  1. Lighting

    • 2 replies
    • 769 views
    Nath
  2. closet

    • 5 replies
    • 870 views
      • 420 Crew
    • 4 replies
    • 882 views
  3. My New Light

    • 6 replies
    • 965 views
  4. Exhaust Fans 1 2

      • 420 Crew
    • 18 replies
    • 1.7k views
    Nath
      • 420 Crew
    • 10 replies
    • 1.5k views
    Roadblock
  5. light sealers

    • 1 reply
    • 679 views
    F420
      • 420 Crew
    • 5 replies
    • 987 views
    Nath
  6. Lumens.

    • 5 replies
    • 788 views
    Nath
  7. and there was light!

      • 420 Crew
    • 3 replies
    • 671 views
    • 4 replies
    • 763 views
  8. exhaust fans 1 2

      • 420 Crew
    • 14 replies
    • 1.4k views
    jackfrost
    • 11 replies
    • 1.3k views
    • 8 replies
    • 1.1k views
    jackfrost
    • 3 replies
    • 859 views
    Nath
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