Itha kugwiritsidwa ntchito pomaliza kutsekemera kwamadzi ndi mafuta a nsalu zosiyanasiyana.Ndi kusintha zikuchokera CHIKWANGWANI pamwamba wosanjikiza, ndi molimba kutsatira CHIKWANGWANI kapena kuphatikiza ndi CHIKWANGWANI mankhwala, nsalu si zophweka kunyowetsedwa ndi madzi, mafuta ndi madontho ena, kupereka nsalu kwambiri madzi ndi kukana mafuta, amene angathe kufika Sitandade IV ndi Sitandade VI motsatana.C6 yopanda madzi ndi mafuta opangira mafuta sakhala ndi zotsatirapo zoipa pa nsalu yomalizidwa, ndipo samakhudza kutsekemera kwake koyambirira ndi kumva;Kusamba bwino, nsaluyo imakhala yabwino kwambiri m'madzi, mafuta ndi kukana dothi pambuyo posamba mobwerezabwereza;Kugwirizana kwabwino, kungagwiritsidwe ntchito mu kusamba komweko ndi zofewa ndi zina zomaliza;Chitetezo ndi chitetezo cha chilengedwe, kupatula PFOA ndi PFOS (zomwe zili m'munsizi ndizotsika mtengo wodziwikiratu), mogwirizana ndi miyezo yotumiza kunja.