Polyaluminum chloride bụ ihe na-eme ka mmiri dị elu dị elu, nke nwere ike sterilize, deodorize, decolorize, wdg N'ihi njirimara ya pụtara ìhè na uru na oke ngwa ngwa, enwere ike belata dose ahụ karịa 30% ma e jiri ya tụnyere ndị na-asachapụ mmiri ọdịnala, na ego nwere ike ịbụ ...
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