About: http://webisa.webdatacommons.org/79816562

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	Secondly, if you really want to make your pH a little bit more in the acid sort of direction, a simple thing to use is aluminium sulphate.
http://www.w3.org/ns/prov#wasQuotedFrom	rnzih.org.nz