Thermal Disinfectors
Back
HYG 3
HYG 5
AccesoriesService tabs (40 pieces)Thermo tabs (50 pieces)Flexio adapter for ZEG tips
Water Treatment
Back
Reverse osmosis system
WaterPlus
Filter candle reverse osmosis WaterPlus
WaterPlus full demineralization filter candle
Full desalination
WaterDemin 550
WaterPlus full demineralization filter candle (Copy)
Further Products
Support
Back
Instructions
Video instructions
Downloads
Hygiene lexicon
Printer software
Online test for device instruction
Service form
About Us
Your Cart is Empty!
Back to overview
Water hardness
Water contains calcium and magnesium compounds. When these combine with dissolved carbon, water hardness occurs. Soft water is defined as 0 to 7 degrees of German hardness (dH), classified under hardness range I. Hard water is defined as 14 to 21 degrees dH, classified under hardness range III. The water hardness also affects instrument processing; the DGSV provides recommendations on this.