PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Although at the time of writing this article, I have not discovered the exact mechanism for causing this, but I do know that a tank that is not stable in its general chemistry, whether pH or Redox is a candidate for this possible problem of carbon use.
http://www.w3.org/ns/prov#wasQuotedFrom
  • aquarium-pond-answers.com