Modern Stone’s Easy Etch removes grout and mortar smears, mineral deposits and rust stains. This industrial strength concentrated acid based cleaner is specially formulated to etch grout to bond with Modern Stone’s Color Sealer.
 
Use on acid-resistant tile, stone or masonry surfaces. Test in an inconspicuous area to determine acid resistance, ease of application and desired results. Warning: This product is not for use on natural stone surfaces such as travertine, marble, limestone any other acid sensitive surface, such as stainless steel.