• bluGill@fedia.io
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    2 days ago

    A reverse osmosis filter will run you $150 for parts - plus install and yearly filter changes. Start with that for costs. I would assume eu costs are similar but that is sometimes very wrong.

    • Jajcus@sh.itjust.works
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      2 days ago

      And what to do with the waste water from the reverse osmosis (now more contaminated than the input)? And who pays for the water wasted?

      • bluGill@fedia.io
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        2 days ago

        it goes to the sewer system which needs to be able to take care of things anyway. The amount of waste water through a RO system insignificant - your toilet flushing needs will use more water than your RO drinking water needs. (a typical low flush toilet, though some camping toilets use less)

        • Cort@lemmy.world
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          2 days ago

          Haven’t looked at them in a while, but I know the aquarium ro filters produce 1:1 waste: water. Could certainly be more efficient now, but I haven’t researched in a while

          • bluGill@fedia.io
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            2 days ago

            there are different systems with different efficiency ratings. However even the worst don’t use much water - you don’t drink much water in a day.