PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Other supplies that are vital would be a hydrometer or refractometer to measure salt content in the water (salinity), a skimmer (something a newbie should never be without, especially in a nano tank), power heads, good filtration (many options available), and proper lighting.
http://www.w3.org/ns/prov#wasQuotedFrom
  • tropicalfishkeeping.com