About: http://webisa.webdatacommons.org/200124579

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	Copper is a heavy metal and can bond to silicone, which can harm sensitive invertebrates for a long time.
http://www.w3.org/ns/prov#wasQuotedFrom	plantedtank.net