About: http://webisa.webdatacommons.org/410656826

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	Assuming that these products are actually formulated with every ion such that a true natural seawater residue remained (lets call this the ???ideal??? product), then it will necessarily contain such ions as copper.
http://www.w3.org/ns/prov#wasQuotedFrom	advancedaquarist.com