About: http://webisa.webdatacommons.org/181603655

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	It removes the hardness ions, e.g. calcium and magnesium, replacing them with sodium ions.
http://www.w3.org/ns/prov#wasQuotedFrom	filterwater.com