Ilabhorethri ekhethekile ehlakaniphile yokuhlaziya ikhwalithi yamanzi embonini yokuvikela imvelo inozinzo oluqinile, idizayini ehlanganisiwe yokugaya kanye ne-colorimetric, ikwenza kube lula kakhulu endaweni yaselabhorethri noma uhlelo lokusebenza lwemoto yokuhlola ehambayo.Izinto zokuhlola ezingama-68 (i-COD, i-phosphorus isiyonke, i-nitrogen ephelele, i-ammonia nitrogen, i-turbidity, njll) ingahlangabezana nezidingo ezahlukene zekhasimende.