<https://barrreport.com/threads/effects-of-no-water-changes-with-fish-in-low-tech-tanks.7194/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://barrreport.com/threads/effects-of-no-water-changes-with-fish-in-low-tech-tanks.7194/#post-57064>