About: http://webisa.webdatacommons.org/337939225

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	After the initial preparation phase, each water filtration center will attempt to adjust the pH level in the water by adding lime, soda ash, or sodium hydroxide, especially if the pH ranks lower than 7.
http://www.w3.org/ns/prov#wasQuotedFrom	waterfiltersfast.com