Descaling agent
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A '''descaling agent''', also known as '''descaling''', '''anti-limestone''', '''anti-limescale''', '''anti-lime''', or '''anti-scale''', is a [[solution]] to remove [[limescale]], e.g. from [[Tap (valve)|water taps]], [[kettle]]s, [[toilet]]s and [[water pipe]]s. Descaling agents usually contain an [[acid]] as the [[active ingredient]], e.g. [[acetic acid]], [[lactic acid]], [[citric acid]], [[phosphoric acid]], [[hydrochloric acid]], or [[sulfamic acid]].
Descalers do not necessarily need to be acidic (although many are). Often the mechanism of descaling is done via [[chelation]]. Descalants of this sort can be the most powerful. [[Phosphonate]]s in particular are well known theshold effect scale inhibitors.
== See also ==
* [[Water softener]]
* [[Magnetic water treatment]]
{{chem-stub}}
[[Category:Cleaning products]]
[[Category:Water]]
== External links ==
==References==
[[zh:除垢剂]]