Will hardness affect the performance of an Ultracarb™ filter element?

The ATS resin media used in the Ultracarb™ filters will adsorb lead and other heavy metals, even in the presence of calcium and magnesium ions. This is proven in the NSF certification testing. One of the test protocols for metal(s) reduction calls for testing at high pH, high Total Dissolved Solids (TDS) conditions to simulate use in hard waters. Filter elements containing ATS have to pass this part of the test protocol before they can receive NSF certification.

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