In addition to sugar, caffeine and carbonic acid, cola contains a small concentration of the acidifier orthophosphoric acid (E338), which is also used in rust-removing agents, among other things. This composition of ingredients makes cola a home remedy that can be used very well against stains. Whether it’s rust stains or calcified nozzles on hoses, shower heads, cachepots, Cola helps to remove and clean these stains.
Rust stains
Garden equipment and tools with small amounts of rust can be cleaned by rubbing them with a Coke-soaked rag and then brushing the rusted areas off with a stiff brush. The phosphoric acid converts the rust into iron phosphates, which adhere firmly to the iron and thus protect it from rusting again, at least in the short term. Important: Rub the devices really dry, because this is the only way to prevent further corrosion.
limescale stains
Cola has a similar effect on limescale deposits on nozzles, hoses or even flower pots. Unscrew the calcified parts and soak them and the flower pots: fill a bucket with water, add a bottle of coke and let the tools and pots soak for a few hours depending on how dirty they are. Soaking overnight has proven effective for stubborn dirt. Then rub off the remaining areas with brush.
By the way: clogged pipes can also be unblocked if you put a bottle of coke with a dash of vinegar in the toilet or sink and let it soak. The next day, scrub the sink or toilet and rinse well.