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Lighting and Ventilation

Grow room lighting and ventilation information and discussions.

1,619 topics in this forum

  1. how many lights

    • 3 replies
    • 857 views
    Tom
  2. air cooled hood 1 2

      • 420 Crew
    • 15 replies
    • 1.9k views
  3. Measuring light output

    • 7 replies
    • 1.1k views
    boe~pimp
  4. LED Lights

    • 4 replies
    • 910 views
    pipeman
    • 7 replies
    • 1.4k views
    pipeman
  5. Guest Field_of_Light

    Light versus Yield

    • 7 replies
    • 953 views
    Guest
  6. Water cooled HPS lights 1 2 3

      • 420 Crew
    • 24 replies
    • 3.6k views
  7. Guest elefunk_delivers

    Air cooled hood..?

      • 420 Crew
    • 3 replies
    • 1.1k views
    Ozzy420
    • 3 replies
    • 789 views
  8. Cheapest Deal

    • 4 replies
    • 907 views
    sols
    • 2 replies
    • 1.1k views
    jackfrost
  9. good news

    • 3 replies
    • 819 views
    Tom
  10. lights lights lights 1 2

    • 19 replies
    • 2k views
    denske
    • 7 replies
    • 1.1k views
    Guest
  11. Tom
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