By
Scott Hetzel
Overall Rating:
5 stars
We tested the total dissolved solids of the rain water...
2021-01-20 09:30:34
We tested the total dissolved solids of the rain water after we installed these filter replacements and it showed a reading of 8 ppm. Anyone who has any knowledge of TDS in water could tell you that is extremely clean water. Similarly, our neighbor had a reading of 14 ppm from tap water run through his reverse osmosis unit.