The Interwater PPCF-10 polyphosphate crystals replacement cartridge breaks the salt from the water, making it softer. The cartridge lasts for about 10 to 12 months, depending on the water quality and quantity processed. The polyphosphate crystals are ideal for placing filters in the water supply of the washing machine or dishwasher and generally where appropriate "reduction" of water hardness is required. The polyphosphate crystals are dissolved in the water and substantially overlap, such as iron, calcium, magnesium etc, making it impossible for these elements to "pellet out" of the water and create the known problems associated with "hard water", such as salt formation in the pumps, the resistors laundry, etc.
The life span of the filter depends on the quality and amount of water filtered.
- Polyphosphate Crystals
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