Uma kuqhathaniswa nesakhiwo sezimboni ensimbi engagqwali, insimbi engagqwali yezokwelapha idinga ukulondoloza ukumelana nokugqwala okuhle kakhulu emzimbeni womuntu, ukunciphisa i-ion yensimbi, ukubola, ukugwema ukugqwala kwe-intergranular, ukugqwala kwengcindezi kanye nokugqwala kwendawo, ukuvimbela ukuqhekeka okuvela kumadivayisi afakiwe, qinisekisa ukuthi ukuphepha kwemishini efakelwe.