Ibikoresho byo mu mazi byo mu nyanja bivuga inzira yo guhindura amazi yumunyu cyangwa umunyu mumazi meza, anywa.Nubuhanga bwingenzi bushobora gukemura ibibazo by’amazi ku isi, cyane cyane mu turere two ku nkombe n’izinga aho usanga amazi meza ari make.Hariho uburyo bwinshi bwo kuvomerera amazi yinyanja, harimo na osmose revers (RO), distillation, electrodialysis (ED), na nanofiltration.Muri ibyo, RO nubuhanga bukoreshwa cyane muri sisitemu yo kwangiza amazi yo mu nyanja.