1. Kusungunuka, kusakaniza ndi dosing wa coagulant, coagulant aid ndi mankhwala ophera tizilombo mu ntchito yopereka madzi.
2. Kukonzekera ndi dosing zosiyanasiyana asidi-m'munsi njira.
3. Kukonzekera ndi dosing wa njira regeneration mu kufewetsa ndi dessalting madzi mankhwala.
4. Kukonzekera ndi dosing wa kuzungulira kuzirala madzi khalidwe stabilizer.