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Lighting and Ventilation

Grow room lighting and ventilation information and discussions.

1,619 topics in this forum

  1. How far away

      • 420 Crew
    • 3 replies
    • 1.2k views
    Tom
    • 4 replies
    • 921 views
    • 3 replies
    • 870 views
    pipeman
    • 0 replies
    • 734 views
    whynot
  2. 400hsp

      • 420 Crew
    • 1 reply
    • 828 views
    Tom
  3. HPS 70w

      • 420 Crew
    • 1 reply
    • 711 views
  4. HPS 70w

      • 420 Crew
    • 1 reply
    • 924 views
  5. Guest elefunk_delivers

    interupted night

    • 5 replies
    • 1.3k views
    sols
    • 14 replies
    • 2.9k views
  6. Heat Shields

    • 4 replies
    • 1k views
    • 6 replies
    • 1.1k views
    sols
  7. Comparing light types

    • 1 reply
    • 876 views
    sols
  8. Lighting interuption

    • 3 replies
    • 821 views
    sols
  9. lighting times

    • 3 replies
    • 925 views
    elessar
    • 7 replies
    • 1.3k views
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