Water Ionizers

A water ionizer filters your tap water, then uses electrolysis to raise its pH and lower its oxidation-reduction potential. The models below are what remained after I evaluated upwards of fifty manufacturers.

The models below are what remained after we evaluated more than fifty manufacturers. Our criteria were filtration quality, measured hydrogen and ORP output, certifications, warranty and return terms, and how long the company had been trading. We also checked whether reduction claims held up in independent testing and whether pricing matched what was actually delivered.