MESEBETSI E TLOHANG KA HO FETISISA: Moferefere Chlorine dioxide pH Kakaretso ea Nitrogen Manganese Aluminium Cyanide Sulfidi Chroma Kakaretso ea Chlorine COD Ammonia naetrojene Chlorine e sebetsang Fluoride Nitrite naetrojene Hexavalent Chromium Chlorine ea mahala Chlorite Kakaretso ea Phosphorus Tšepe Ozone Chloride Oxyzen e sebetsang
