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  1. B

    I need help with my light!!!!

    i just bought a 400 watt light. its a switchable ballast so it will work for hps and mh. BUT!!!!!! there is no switch or anything to switch it to hps. i thought it would be simple and u push a switch up for mh and down for hps. BUT NOTHING IS EVER SIMPLE!!!!!!!! does anyone know how to switch...
  2. B

    Im so confused!!!!!!!!

    i just bought a 400 watt light. its a switchable ballast so it will work for hps and mh. BUT!!!!!! there is no switch or anything to switch it to hps. i thought it would be simple and u push a switch up for mh and down for hps. BUT NOTHING IS EVER SIMPLE!!!!!!!! does anyone know how to...
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