Water filters

Total hardness test drops


  • Precision total hardness test kit
  • Exact water total hardness in dH
  • Kit covers 10-20 tests

Est. 1977 Denmark

Product information

Precision total hardness test kit for water hardness.
This test kit will give you the exact water total hardness in dH.
Flush the vial and fill with 10ml. Count drops until colourchange (red to green). 1 drop = 1 dH.
Kit covers 10-20 tests.


•    Weight: 0,24 kg
•    L x W x H (mm): 100 x 350 x 100
•    Item no 30500578

Installation manual

HOUNÖ PROTECT installation manual for Visual Cooking and CombiSlim models

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