The tiles on my shower floor were like this when I moved in and are unchanged after regular cleaning - any tips for giving them new life? : r/CleaningTips
Clean-X 32 oz. Eliminate Shower Tub and Tile Cleaner 7999-7 - The Home Depot
ZEP 32 oz. Shower Tub and Tile Cleaner ZUSTT32PF - The Home Depot
Diamond Clear Lime Scale Remover - Diamond Seal Systems