hello, i have changed all filters on my R.O. water system and the ppm are still near 400 do you know how to fix? thank you
Some where in Arkansas.
Victims of circumstance owe it to fate. Victims of choice owe it to themselves.
T-
If you have iron pipe beyond the point of the RO filtering system, this would be the source. If it is PVC, then I cannot help you with this.
JayR
Changing filters does little to improve the TDS in ROs. You need to change the membrane. The incoming water should be treated if high or hardness levels are high.
Waterman
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