#1: Remove shower head.
#2: Place shower head in bowl or bucket large enough to submerge shower head.
#3: Fill bowl or bucket with enough cider vinegar to cover shower head.
#4: Wait for it.
#5: Occasionally test shower head before dumping out vinegar.
You can clean your shower head with whatever you want - white vinegar just dissolves the hard water minerals and gets rid of those white deposits.
Lime away. Lime away does not work on hard water deposits.
Shower heads lose their effectiveness when they become clogged with mineral deposits, especially in areas with particularly hard water or well water. Metal shower heads are more prone to corrosion from hard water. You can extend the life of a metal shower head by cleaning it regularly. The best way to do this is to put one to to cups of a 50-50 white vinegar/water solution in a plastic bag. Position the bag so that the shower head is submerged in the vinegar water. Secure the bag with tape to the shower head nozzle. Leave it there overnight to dissolve the mineral deposits in the shower head.
Hard water is a term that means the water has lots of minerals - hard water stains are solid deposits of those minerals left behind when the water evaporates. The water initially dissolved those minerals because it was acidic - a weak acid such as lemon juice or vinegar is usually pretty good at removing these stains; or a scrubbing paste made of baking soda and water.
If the clog is due to hard water deposits (instead of food) I suggest you try CitriClean. It was designed to clean hard water film and deposits off of dishes and dishwashers. It uses a chemical process called chelation. Search for "CitriClean of Florida"
Metal shower heads look nicer but show hard water, plastic will not show hard water, if you have a water softener a metal shower head is the way to go.
Shower cleaner is a specialized cleaning product designed to remove soap scum, hard water stains, mold, mildew, and other buildup commonly found in showers and bathtubs. It helps to keep these surfaces clean, fresh, and free from germs.
It shouldn't be ideally, as hard water deposits limescase (a solid) in the boiler
To effectively remove and prevent toilet hard water buildup, regularly clean the toilet with a mixture of vinegar and baking soda. Additionally, consider installing a water softener to reduce mineral deposits in the water supply.
The Works Tub and Shower cleaner typically contains ingredients such as hydrochloric acid, surfactants, water, fragrance, and dye. It is a strong cleaning agent designed to remove tough soap scum, hard water stains, rust, and mineral deposits from tubs and showers.
Since steam is water evaporating, water that becomes steam may not be clean. So, when the steam goes thru, some of the dirt may come off along with the steam when the steam becomes water.Creating deposits in the steam vents.
White residue on faucets and shower heads most likely are from the hard water mineral deposits that your water contains. Sometimes, the residue is from cleaning products, but most often not. To help reduce white residue and hard water stains, a salt type water softener is recommended.