About: http://webisa.webdatacommons.org/291926047

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	So a tool that you mind find useful is a pH meter, to test the acidity of the streams.
http://www.w3.org/ns/prov#wasQuotedFrom	paflyfish.com