Nemo 33 ne mai rufi ba chlorinated ruwa mai kyau makaman a Brussels, Belgium. Ya gudanar da rikodin a matsayin mafi zurfi rufaffiyar waha a duniya tsakanin ta bude a kan May 1, 2004, da kuma kammala Y-40 a Montegrotto Terme, Padua, Italiya a kan Yuni 5, 2014.The pool ta matsakaicin zurfin ne 34.5 mita (113 ft). Ya ƙunshi 2,500,000 lita (550,000 imp gal; 660,000 US gal) na ba chlorinated, sosai tace spring ruwa, kiyaye a 30 ° C (86 ° F) da wani hasken rana hita, da kuma riko da dama kwaikwayon karkashin ruwa kogwanni a 10 (33 mita) zurfin matakin.
2,500,000 lita na ruwa