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Thread: 600 watt hps coverage

  1. #1
    Unregistered Guest

    Default 600 watt hps coverage

    In general (in gneral because i know the ballast/bulb/reflector combo will make a significant difference) how many square feet will a 600 watt hps adequately illuminate for plants like tomatoes/peppers/cucumbers?

    I ask becuase the numbers i see printed in catalogs like ones offered by hydrofarm and sunlight supply seem vastly overstated.

  2. #2
    Unregistered Guest


    3X3 for one 600
    4x4 for one 1000

    *In general, I know some growers who like to spread their light a little thinner but this is the standard.

    This is for the flowering phase of fruit/flower bearing plants.

  3. #3
    Unregistered Guest


    i really appreciate the response. I knew my 600hps wasn't ever gonna cover 16ft^2. However I guess it would probably work for lettuce, or other heat sensitive greens (basil, cilantro).

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