. "Caustic potash,Lye, Potash lye, Potassia, Potassium hydrate, KOH" . . . . "caustic potash" . . . . "chemical bath" . . . "Potassium hydroxide" . "potassium hydroxide solution" . "potassium hydroxide" . . "S" . . "Potassium hydroxide" . . "Potassium hydroxide" . "K+" . . . "K" . . . . . . . . . . . . . . . "lye" . . . . . . . "potassium hydroxide dihydrate" . . . . . . . "Caustic potash" . . . "potassium" . . . . "Potassium Hydroxide" . . . "hydroxide" . "KOH" . . . "potassium hydroxide/custic potash" .