About: http://webisa.webdatacommons.org/452028392

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	Di and tri valent ions such as calcium, magnesium, aluminium and iron seem to have the greatest effect.
http://www.w3.org/ns/prov#wasQuotedFrom	herbiguide.com.au