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  1. M

    150watt CMH bulb for digital 150 watt ballast

    I have a lighthouse hydro digital 150 watt ballast that will run either HPS or MH. Does anyone know of a CMH bulb that will work with it? My reflector has the standard screw type socket.
  2. M

    Help with 2x4 COB tent

    I've lurked on here for a long time, so I'd like to thank everyone on this forum for the excellent info. I'm planning a new grow with COBS in a 2x4x5 tent and have some questions. 1. What premade COBs would you recommend for this size tent? 2. I only have experience with HPS. What is different...
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