VEVOR Whole House Water Filter Replacement Cartridge, 4.5" x 20" Polyphosphate Scale Inhibitor Filter for Whole Home Water Filtration System, Reduce Chlorine, Taste, Odor, Prevent Corrosion

The content of siliphos in the filter is no less than 1 kilogram.

The pH-neutralizing capacity is limited; it can only raise the pH by 0.1–0.3. If this answer does not resolve your issue, please contact us again for assistance.