I have found that a Mr. Clean Magic Eraser can remove a lot of buildup in the kitchen, bath, etc. Saves on the elbow grease, too. I use it after I have let the cleaner sit for a while.
There are a number of products commercially available in hardware stores and in the cleaning product section of supermarkets. One such product is CLR which advertises for removing Calcium or Lime deposits, or Rust stains.
CLR is a household cleaner used for removing Calcium, Lime, and Rust. It's commonly used for Kitchens and bathrooms.
Vinegar is the only safe solution for removing lime deposits from painted surfaces.
Ethanoic acid is a great solution for removing lime scale buildup in sinks and bathtubs, for instance. Ethanoic acid is a harsh chemical that burns away the lime.
Because it is a fast removal spray so it can get rid of all the toughest stains e.g lime scale
a red bullseye like mark, if that appears you have lime disease
use an equal measure of lime juice and cola in a small bowl. dab on the stain. it'll come right out.
Lime concentrate is a processed form of lime juice that has been concentrated by removing some of its water content, often resulting in a more intense flavor and longer shelf life. Fresh lime, on the other hand, refers to the whole fruit or its juice in its natural state, which retains all its nutrients and flavor without any additives. While fresh lime offers a vibrant taste and aroma, lime concentrate is more convenient for storage and use in recipes where a stronger lime flavor is needed.
Descaler is a powerful yet safe cleaner for rust and limescale.
One effective solvent for removing rust stains is white vinegar. Simply soak a cloth in vinegar and place it over the rust stain. Let it sit for a few hours before scrubbing the area with a brush or cloth. Repeat as needed until the rust stain is removed.
There is a primer called Lime Prime which is recommended to cover mold stains. It can also offer a strong base for coatings, such as paint, to stick to.
Muriatic acid is commonly used for cleaning and etching concrete, restoring metal surfaces, balancing pH levels in swimming pools, and removing rust and scale. It is important to handle muriatic acid with caution, as it is a strong and potentially dangerous chemical.