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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
Title Parameter and Range Part Number Mark as favourite
114 Parameters 214020
114 Parameters 214025
118 Parameters 214140
98 Parameters 210000-B
98 Parameters 210000
154 Parameters 71307000
156 Parameters 71307500
Title Method No. Packaging Unit Part Number Mark as favourite
CALCHECK M190 Tablet / 100 515650BT
CALCHECK M190 Tablet / 250 515651
CALCHECK M190 Tablet / 250 515651BT
Title Part Number SDS Country Direct Download
Calcheck 00515651