Including filter system and high-performance Zinc filter.
Zinc can enter household plumbing when it dissolves from metal fittings, galvanized pipe, or fixtures over time. At low levels you might not notice it, but higher concentrations can produce a metallic taste and leave a filmy residue on glassware, sinks, and tubs. Because zinc often gets into water after it leaves the utility, different houses in Havana can have different experiences; the surest way to know is a simple water test at your property.
Unhealthy zinc levels are commonly linked to corrosion or shifts in water chemistry—changes in pH or mineral balance make metals more likely to leach from plumbing. It can also show up when older piping is disturbed during repairs or pressure changes. If you notice persistent staining or a sharp metallic flavor in Havana, consider testing for dissolved metals rather than treating it only as a taste problem; fixing the source helps, and whole-house filtration provides an added layer of protection.
To reduce zinc throughout your Havana home, a whole-house reverse osmosis system is generally the most effective single-filter solution. RO uses a semipermeable membrane that rejects dissolved metals, lowering zinc before water reaches faucets, showers, and appliances. Because zinc commonly exists as dissolved ions, basic sediment filters alone usually won’t do the job, and a whole-house approach ensures every tap benefits rather than leaving only a single drinking-water point treated.
Reverse osmosis performs best when sized to your home and combined with proper prefiltration to protect the membrane from grit and scale, which keeps flow steady and the system lasting longer. After RO treatment many Havana homeowners ask for a balanced finish so water doesn’t feel overly stripped for bathing and cooking. Mr. Pure Water can help pick the right whole-house RO configuration for your test results and household needs.