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  1. M

    250w HPS bulb with a 400w HPS ballast?

    I thought they regulated the voltage (stepping it up to the 000's or whatever these bulbs use)?
  2. M

    250w HPS bulb with a 400w HPS ballast?

    Could someone explain the reasoning behiind the "WTF NO!" and "OMG!!!1!!1" replies? The ballast (or any transformer) would not dictate the power consumption of connected components right? I know it doesn't with any I have seen. If anything I would expect damage to the ballast if it is not...
  3. M

    need help on lights

    With the ebay 300W (10 inch 8U) blue cfl I have, it actually only uses 186W. So I expect that this setup (including fan) is easily less than £15 a month during veg (17/7). I would suggest you pop down to maplins and get an £8 power monitor to check whats what. Other than that I think try...
  4. M

    Just adding some 2700K to veg lighting for flowering?

    I'm currently using an ebay 300W (186.7W actual) 6400K for my four little girls. When they are ready for flowering I was thinking of just adding 4 or 5 2700K hanging bulbs around the plants. This should give them some red spectrum in there and deal with the lack of penetration. The way I see it...
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