High ppm tap water

Discussion in 'First Time Marijuana Growers' started by mdietlin, Feb 22, 2011.

  1. Just tested my tap water it is 160ppm is this or will this present a problem???
     
  2. Not for a soil grow. 200PPM is usually the cutoff, more or less.

    If hydro, you may need a RO unit.

    Wet
     

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