Including filter system and high-performance Zinc filter.
Zinc can leach into household water when it dissolves from metal plumbing, fixtures, or galvanized parts over time. At low levels you might not notice it, but higher amounts can give water a metallic taste and leave films or residue on sinks, tubs, and glassware. Because zinc often enters water after it leaves the municipal system, one San Blas house can have a different experience than the next; a simple water test is the only way to know if zinc is elevated in your home.
Elevated zinc is commonly linked to corrosion and changes in water chemistry—shifts in pH or mineral balance can make metals more likely to dissolve. It can also appear when older plumbing is disturbed during repairs or pressure swings. If you’re in San Blas and notice persistent staining or a sharp metallic flavor, consider testing specifically for dissolved metals rather than assuming it’s only a taste problem. Fixing the source helps, and whole-house filtration provides an extra layer of protection for your plumbing and appliances.
To reduce zinc throughout the house, a whole-house reverse osmosis system is generally the most effective single-filter option. RO uses a semipermeable membrane capable of rejecting dissolved metal ions, lowering zinc levels before water reaches faucets, showers, and appliances. Because zinc commonly occurs as dissolved ions, basic sediment filters won’t reliably remove it, and a whole-house RO prevents the situation where only one tap is treated while the rest of a San Blas home still receives the same water.
Reverse osmosis performs best when the system is sized for your home and paired with proper prefiltration to protect the membrane from grit and scale, which helps sustain flow and performance over time. Many homeowners prefer a balanced finish after treatment so water doesn’t feel overly stripped for bathing and cooking. Mr. Pure Water can assess your San Blas water test results and recommend the right whole-house RO configuration to target zinc based on your household’s needs.