Coffee Mug Stains: How to Remove Tough Marks at Home? Expert Cleaning and Prevention Guide
Why Do Coffee Mugs Get Stained So Easily? The Real Reason for Mug Discoloration Coffee mug stains are a common annoyance in households across the US. The main culprits are tannins and pigments in coffee, tea, or hot chocolate, which gradually adhere to the cup’s surface. Ceramic and glass mugs, in particular, are prone to … Read more