About: http://webisa.webdatacommons.org/267612973

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	Since green water is the most common problem and the most difficult to solve the answer needs to reflect several options.
http://www.w3.org/ns/prov#wasQuotedFrom	aquahobby.com