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  1. C

    Why are TDS numbers so different after installing new RO tank?

    Hello! We had an RO system installed when we had our home built 6 years ago. For the first approx 5 years, the TDS readings range started at 11 and never got above 19-21, as that is when we had the filters changed. In June 2021, our RO technician said we needed a new tank, and he installed a...
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