About: http://webisa.webdatacommons.org/254160410

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	Your best bet for a GOOD test kit is API; they may seem pricy at first with $5 per bottle; but trust me that is THE best long term invest you can do for your tank.
http://www.w3.org/ns/prov#wasQuotedFrom	tropicalfishkeeping.com