About: http://webisa.webdatacommons.org/423028057

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	[...] The most popular way to supply Co2 is to use a yeast-based system such as the Nutrafin Plant-Gro CO2 Natural System or a DIY system made with a plastic bottle and air [...]
http://www.w3.org/ns/prov#wasQuotedFrom	smartaquarist.com