How to Remove Hard Water Stains in a ToiletBy VIRIMI / March 31, 2021 Illustration: The Spruce / Adrian Mangel Borax and Vinegar Borax is a great multi-purpose cleaning product that can be effectively used to clean hard water stains in the toilet and other plumbing fixtures. ADVERTISEMENT [DISPLAY_ULTIMATE_SOCIAL_ICONS] Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17