As the glazed surface is extremely smooth and non-porous, cleaning with soapy water is usually all that is required to keep your sink clean. To maintain the original appearance, it is important to do a regular clean with non-abrasive cleaners and a soft sponge or cloth.
Fireclay sinks can withstand many chemical cleaning agents; however, it can cause damage to the wastes and taps. Avoid using steel wool, scourers or metal brush. Harsh cleaners containing severe acidic or alkaline chemicals such as sodium hydroxide, sulfuric acid or hydrochloric acid. Toilet cleaners such as Chlorinated Cleansers or bleach of any type.