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Hardness Calcium with Tablet

50 - 900 mg/l CaCO3 Mark as favourite

The hardness of water is a measure of its soap-consuming capacity; in practice it corresponds to the calcium and magnesium salts. Boilers usually require feed water of low hardness not only to avoid scale formation on heat transfer surfaces but also to minimise the formation of suspended solids or sludge in the boilers.
Hardness salts are not normally removed from potable water where, in the UK, their concentration can vary dramatically depending on the type of rock strata/run-off surface the water comes into contact with.


  • Boiler Water
  • Cooling Water
  • Drinking Water Treatment
  • Raw Water Treatment
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Title Method No. Packaging Unit Part Number Mark as favourite
CALCHECK Array Tablet / 100 515650BT
CALCHECK Array Tablet / 250 515651
CALCHECK Array Tablet / 250 515651BT
Title Online Download Type Format Language Direct Download
Instruction Manual Single Method Hardness Calcium T (Method No.: M190) Instruction Manual PDF (1.25 MB)
Title Part Number SDS Country Direct Download
Calcheck 00515651