: Many popular bottled water brands are actually purified using the RO process. For example, Dasani (Coca-Cola) uses reverse osmosis as part of its multi-step filtration before adding minerals back for taste. Smartwater also utilizes RO following a vapor distillation process.
: Because RO water is stripped of minerals and chlorine, it is often sold at specialty aquatic stores for hobbyists who need a "blank slate" for sensitive fish tanks. Key Considerations Before Buying can you buy reverse osmosis water
: The RO process is highly effective, removing 90–99% of contaminants like salts, bacteria, and metals. However, it also removes beneficial minerals like potassium, magnesium, and calcium. Some brands, like Dasani , add these minerals back in after filtration to improve taste. : Many popular bottled water brands are actually