1. Chilema: bulichi ndi mankhwala okhala ndi chlorine. Imatha kulimira ndi kuthira mankhwala atatha kusungunuka m'madzi. Iyenera kuchepetsedwa malinga ndi malangizo ogwiritsira ntchito. Samalani kuchuluka kwa kuchepa. Okwera kwambiri kapena otsika kwambiri amakhudzanso mphamvu.
2. Mowa: Kuledzera kofala kwambiri ndi ethanol, komwe kumatenthetsa ndi kufooka. Tiyenera kudziwa kuti Ethanol isasunthika ikagwiritsidwa ntchito. Pambuyo kupopera mbewu mankhwalawa, dikirani kwakanthawi kuti mleweyo atulutse ndikuwumitsa musanayike mu chidebe cha chakudya.
3. Hydrogen Peroxide: Hydrogen Peroxide imatenthetsa ndi kuthira mankhwala atatha kusungunuka m'madzi, ndipo sakukhudza chilengedwe. Iyenera kuchepetsedwa malinga ndi malangizo ogwiritsira ntchito.
