Products catalog

  • Water hardness test strips. Dip the entire strip into the water for a second, shake off excess water and wait a minute.

    Strip graduations: 0/5/10/15/20/25°dGH

    Very soft water: 0-4 dGH (0-70 ppm)

    Soft water: 4-8 dGH (70-140 ppm)

    Slightly hard water: 8-12 dGH (140-210 ppm)

    Medium hard water: 12-18 dGH (210-320 ppm)

    Hard water: 18-30 dGH (320-530 ppm)