CERTOL INTERNATIONAL, 1-Gallon USA/128-1 Muriatic Replacement Acid, 128 Fl Oz

Acid Magic - Buffered Muriatic Acid

Acid Magic is full strength 1-to-1 replacement for muriatic acid. This revolutionary muriatic acid product has all the cleaning, etching, and PH reduction properties of powerful acids but with 90 percent less fumes - and Acid Magic will not cause burns to intact skin.
Acid Magic is the best product for dissolving calcium deposits on filter cartridges, and for cleaning tile and concrete. Can be used to more effectively reduce high pH and total alkalinity in pools and spas.

1-to-1 replacement for Muriatic Acid
90 Percent fewer fumes - less fuming issues
Safer handling - does not burn intact skin
More effective in reducing high pH than dry acid products