About: http://webisa.webdatacommons.org/378323078

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	In the Southwest U.S. our tap water is extremely hard and loaded with calcium, magnesium and other hardness minerals.
http://www.w3.org/ns/prov#wasQuotedFrom	poolservicestech.com