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Hardness Calcium 2 with Tablet

20 - 500 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
  • Pool Water Control
  • Pool Water Treatment
  • Raw Water Treatment
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Title Method No. Packaging Unit Part Number Mark as favourite
Set Calcio H No. 1/No. 2 100 Pc. Array 100 each 517761BT
Set Calcio H No. 1/No. 2 250 Pc. Array 250 each 517762BT
Title Online Download Type Format Language Direct Download
Instruction Manual Single Method Hardness Calcium 2T (Method No.: M191) Instruction Manual PDF (1.18 MB)
Title Part Number SDS Country Direct Download
Calcio-H No_1 00511031
Calcio-H No_2 00511041