The Ultimate Hard-Water Shower Filter Deep Dive
TL;DR: In rigorous six-week home tests across three major filter models, the top performer reduced water hardness from 10 dGH to 2 dGH, maintained full flow at <5% loss, and delivered significant improvements in skin hydration and hair manageability. Expect clearer shower surfaces and smoother hair with minimal maintenance. Introduction & Personal Story: Growing up in a…