Water Filter for Nitrates: RO, Ion Exchange, or Both
A water filter for nitrates must use reverse osmosis, nitrate-selective anion exchange, or distillation because ordinary carbon cartridges and water softeners do not reliably remove dissolved nitrate. For most households, certified under-sink reverse osmosis is the practical choice for drinking and cooking water; high-flow whole-house treatment usually requires selective anion exchange. Key Facts at a […]