liberate acid

Is Muriatic Acid Useful Or Harmful? Skin contact causes severe burns; repeated or prolonged exposure to skin will cause dermatitis. Muriatic acid is harmful if swallowed and may cause irreversible damage to mucous membranes; repeated or prolonged exposure to corrosive materials or fumes may cause gastrointestinal disturbances. What is the disadvantage of muriatic acid? Hydrochloric