Please note, muriatic acid is basically hydrogen chloride mixed in water. The type sold in hardware stores is 31.45% acid to 68.55% inert ingredients. It is a heavily corrosive liquid acid which can cause severe burns to the skin and eyes; it is in fact one of the most hazardous materials that can be purchased for domestic use. Always use extreme caution as muriatic acid is very corrosive and can cause severe damage and injury when used improperly. These are readily available at any hardware sto
