Including filter system and high-performance Potassium filter.
Potassium is a naturally occurring mineral that can appear in well supplies and, less commonly, in some municipal systems. Small amounts are normal in the environment, but higher concentrations in drinking water may matter for people who must restrict potassium for health reasons. Water can absorb potassium as it travels through soil and rock or from certain treatment products and runoff. Because potassium usually has no noticeable taste or smell, the only way to know if it’s present in your San Castle water is to have it tested.
Many homeowners in the San Castle area first learn about potassium when a lab report calls it out while they’re checking overall mineral levels like sodium, chloride, or total dissolved solids. In water, potassium exists as dissolved ions, so it doesn’t settle out and won’t be removed by sediment filters. It also often passes through common carbon “taste and odor” filters. If you’re concerned about potassium at the tap, start with a proper water test to identify the concentration and chemical form present in your supply.
To reduce potassium for the whole house, the most effective single-filter solution is a whole-house reverse osmosis system. RO uses a semipermeable membrane to reject dissolved ions such as potassium rather than relying on mechanical straining. Because potassium stays dissolved in water, membrane separation is required to significantly lower it. A correctly sized whole-house RO treats water before it reaches sinks and showers, so San Castle homeowners see consistent reductions at every fixture.
Whole-house reverse osmosis installations include prefiltration to protect the membrane from sediment and disinfectants like chlorine or chloramine that can shorten membrane life. The RO membrane handles potassium removal while the pre- and post-stages preserve performance and simplify upkeep. RO systems produce a concentrate stream, so they need an appropriate drain hookup and space for equipment. Mr. Pure Water can review your San Castle water test and household usage to recommend a whole-house RO configuration that reliably lowers potassium and fits your home.