About: http://webisa.webdatacommons.org/34302502

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	Phosphate is a nutrient, and usually present in sufficient quantity from fish foods and tap water, so we rarely have to add it, thus it is minimal if present at all in most aquarium plant fertilizers.
http://www.w3.org/ns/prov#wasQuotedFrom	tropicalfishkeeping.com