ditttohead
Water systems designer, R&D
An RO system will eliminate 92-98% of sodium from your water. This will bring the level down to trace amounts. You should make your softener as efficient as possible for many reasons. Salts in the waste stream are difficult to treat and by minimizing it, the sewage costs can be minimized as well. Especially for areas that resuse the waste water. It is very comon for waste water to be treated, then allowed to go down into the aquifers, and then pumped back up for resuse by the next municipality. Toilet to tap has been common in the US for many years.
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