PH Pepa
1. Aveina le pepa faʻataʻitaʻiga i totonu o le fathomable ava mo le 'afa o sekone mulimuli ane, ona aveina lea i fafo ma faʻatusatusa ma le masani felanulanuaʻi lipine, e taua o PH taua 2. O lenei suʻega pepa e mot talafeagai mo le faʻamalosi ava ma le acid poʻo alkali ava malosi ole faʻasologa o loʻo i lalo ole 0.01% 3. O lenei pepa suʻega e manaʻomia ona teu i le paolo ma le nofoaga matutu. Faʻasaoina vaitaimi o 3 tausaga.
Tusi lau feʻau ii ma lafo mai ia matou