Q. What are toilet cleaners?

Answer

Toilet bowl cleaning chemicals is used to remove calcium carbonate deposits that are attacked by acids. Powdered cleaners contain acids that come in the form of solid salts such as sodium hydrogen sulphate while liquid toilet bowl cleaning agents contain acids such as diluted hydrochloric phosphoric or formic acids. These chemicals convert the calcium carbonate into salts that are soluble in water or are easily rinsed away.