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dadiOH dadiOH is offline
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Default Water softener and soap in shower

Eddie G wrote:
I installed a water softener several months ago and since then I
notice in the shower that I feel that the soap doesn't fully rinse
off of me.


As another poster said, the soap is coming off. More or less.
However, you aren't feeling clean skin, you feel the sodium carbonate
in the water that was left after the ion exchange between NaCl (salt)
and CaCO3 (calcium carbonate). It is a base and bases generally feel
slick because of their reaction with the oils in your skin. With
strong bases, that reaction yields soap and glycerin, no idea what the
sodium carbonate is doing. Maybe the same thing.

Soft water that is not artificially softened doesn't give that slick,
slimy feeling.

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dadiOH
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