Water softening
Water softening is the removal of calcium, magnesium, and a small number of other metal cations in hard water. The resulting soft water requires less soap for the same cleaning effort, as soap is not wasted bonding with calcium ions.
Water softening is the removal of calcium, magnesium, and a small number of other metal cations in hard water. The resulting soft water requires less soap for the same cleaning effort, as soap is not wasted bonding with calcium ions.
Water softening is the removal of calcium, magnesium, and a small number of other metal cations in hard water. The resulting soft water requires less soap for the same cleaning effort, as soap is not wasted bonding with calcium ions.
Source: Wikipedia "Water softening" · CC BY-SA 4.0
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