About: http://webisa.webdatacommons.org/110573852

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	Ph is a function of carbonate (KH) and carbon dioxide. you tank has not fish therefore not co2 from fish.
http://www.w3.org/ns/prov#wasQuotedFrom	tropicalfishkeeping.com