Doesn't it add (chemical) salts in water to remove impurities such as calcium? [0] Can't those salts create hypertension [1] ? [0] https://en.wikipedia.org/wik

Doesn't it add (chemical) salts in water to remove impurities such as calcium? [0] Can't those salts create hypertension [1] ? [0] https://en.wikipedia.org/wiki/Ion-exchange_resin#Water_purification https://en.wikipedia.org/wiki/Ion-exchange_resin#Water_purif... [1] https://en.wikipedia.org/wiki/Hypertension https://en.wikipedia.org/wiki/Hypertension