About: http://webisa.webdatacommons.org/46196686

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	Hard water refers to the natural mineral content in water, comprised mostly of calcium, with some iron and manganese.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com