Ukugeleza njalo kwamanzi ahlanzekile, ahlungiwe ahlinzekwa ngesistimu yokuhlunga kathathu (ikhabhoni ecushiwe, i-ion exchange resin, nendwangu engalukiwe) kukhuthaza izilwane ezifuywayo ukuthi ziphuze kakhulu, zikhuthaze impilo yazo yonke.Amanzi ajikelezayo ahlungwa njalo futhi afakwe umoya-mpilo, anikeze ubusha obukhulu.