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Lighting and Ventilation

Grow room lighting and ventilation information and discussions.

1,619 topics in this forum

    • 10 replies
    • 1.8k views
    Tom
  1. Guest Field_of_Light

    Large area requires light 1 2 3

    • 29 replies
    • 2.2k views
    Guest
    • 10 replies
    • 1.6k views
    aka MR nice
  2. Air Cooled Hood 1 2

    • 16 replies
    • 2k views
    • 1 reply
    • 623 views
    Seeker
  3. 400w / 600w

    • 3 replies
    • 879 views
    wassily
  4. Guest Field_of_Light

    When to change lights? MH or HPS 1 2

    • 11 replies
    • 1.9k views
    wassily
  5. Guest elefunk_delivers

    Wots Perfect Fluro watt

    • 9 replies
    • 1.4k views
    pipeman
  6. Cold Nights

    • 7 replies
    • 1.1k views
    hydrodude
    • 6 replies
    • 870 views
    pipeman
    • 12 replies
    • 1.7k views
    Tom
  7. pipeman
  8. Guest elefunk_delivers

    3 x 400watt phillips hps

    • 3 replies
    • 807 views
    Guest
  9. electricity cost

    • 6 replies
    • 1.1k views
    Mr Putard
  10. Lighting Wattage

    • 4 replies
    • 852 views
    Guest
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