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  1.     
    #1
    Member

    Most Efficient 400w HID Cannabis Flowering Bulb

    And I guess price is a factor too...430w could be considered...those run on 400w ballasts, right? Anyway...
    :hippy:
    paperchaser825 Reviewed by paperchaser825 on . Most Efficient 400w HID Cannabis Flowering Bulb And I guess price is a factor too...430w could be considered...those run on 400w ballasts, right? Anyway... :hippy: Rating: 5

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  3.     
    #2
    Senior Member

    Most Efficient 400w HID Cannabis Flowering Bulb

    430 watts is a bastard size....requires a 430watt ballast. Stick with 400 watt ballasts. Hortilux is the most popular bulb $$$, but, there's many other good brands too.

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