Ponderous Flow

Why Tea Stains Form in Travel Tumblers Tea contains tannins – natural compounds that bind to surfaces over time. When left unwashed, these organic pigments create yellowish-brown stains that: Adhere strongly to plastic, stainless steel, and ceramic surfaces Accumulate faster in textured or scratched [...] Read more

Understanding Tea Stains on Fine China Tea stains form when tannins – natural compounds in tea leaves – bond with porcelain surfaces. Delicate China cups require special care due to: - Thin glaze layers - Hand-painted decorations - Gold/silver trims - Vintage fragility Never use abrasive scrubbers or harsh [...] Read more

Why Tea Stains Form in Ceramic Mugs Ceramic travel mugs develop stains due to tannins in tea – natural compounds that bind to porous surfaces. Over time, these residues create yellowish-brown discoloration. Regular washing often fails to remove these deeply embedded stains. Tools You’ll Need Baking soda White [...] Read more

Why Tea Stains Form in Thermos Flasks Tea contains tannins – organic compounds that bind to surfaces over time. When combined with minerals in water, these compounds create stubborn yellowish-brown stains. Factors accelerating staining include: Infrequent cleaning High-temperature liquid storage Porous interior [...] Read more