1000watt dimmable ballast

Discussion in 'Growing Marijuana Indoors' started by GreenTree17, Aug 4, 2017.

  1. Was wondering, if i could use a 1000 watt bulb and turn the ballast down to 600 watt or would i have to use a 600 watt bulb.thanx
  2. No you can use a 1000 watt bulb as long as your ballast is a 1000 watts and just dim it to 600 yes..peace..

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  3. I can dim my 600 to 400. Or the 400 to 250. What I read tho is it is more efficient to match bulb for the watts. I do dim it from time to time in transition stages and have no Ill effects.

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  5. Thanks
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