<http://webisa.webdatacommons.org/238349962>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/329121426>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/238349962> .
<http://webisa.webdatacommons.org/238349962>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<tropicalfishkeeping.com> .
<http://webisa.webdatacommons.org/238349962>	<http://www.w3.org/ns/prov#value>	"Referring back to the issue of balance: the light duration must balance the nutrients available, including CO2." .