Sunnyside 71032 Muriatic Acid, Liquid, Pungent, Clear/Light Yellow, 1 qt, Bottle

Description:

Muriatic acid is a 20 deg Baume (31.45%) hydrochloric acid solution used for cleaning and preparing concrete prior to etching, coating and sealing. Muriatic acid can also be used to lower the pH in pools and spas.