About: http://webisa.webdatacommons.org/413415203

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	If so, stop.There are products you can buy that can (I think?) repopulate your tank with the right sort of bacteria, to process the ammonia and nitrates ... (well, they certainly process nitrates).
http://www.w3.org/ns/prov#wasQuotedFrom	mumsnet.com