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Drinking Water Treatment

Lime based products soften water by removing carbonate and non-carbonate hardness. This purifies the water for consumption, provides better tasting water and allows soap products to lather readily.


In the softening process, lime based products completely precipitate out, and can precipitate metals, non-metals, suspended solids and dissolved solids. Lime softening has also been proven to disinfect water by removing pathogens and viruses by sorption and/or high pH, including cryptosporidium.

Lime based products are used in a variety of applications to treat drinking water, such as:

  • Adjusting pH to optimize drinking water treatment processes
  • Acting as natural coagulants that aid in solids settling
  • Ensuring pH and alkalinity are correct in order to optimize coagulation and flocculation solids removal
  • Adding alkalinity and raising pH with membrane treatment and protecting distribution pipes from corrosion.

The CALSAFE Advantage 

CALSAFE Lime Slurry is a ready to use liquid lime formulated to adjust pH levels and provides alkalinity and calcium hardness to soften the water. Its role is to optimize coagulation and flocculation settling processes and precipitate metals.

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