An alkaline water filtration system utilizes electrolysis to increase the pH of water, purportedly enhancing hydration and offering health benefits. Various manufacturers offer alkaline water ionizers with distinct features, while retailers distribute them through online marketplaces, stores, and specialty outlets. Independent organizations certify and standardize these devices, and advocacy groups promote their purported advantages. Academic studies delve into the potential health effects of alkaline water, contributing to a growing body of knowledge surrounding this filtration method.