LATICRETE 1776 Grout Enhancer is used in place of water to provide a dense, colorfast grout joint that inhibits stain causing bacteria, mold and mildew growth with Microban®. Uses:Used in place of water, LATICRETE 1776 Grout Enhancer improves the performance of portland cement grouts for all types of: ceramic tile, brick, marble and stone installations.Advantages:- Inhibits stain causing mold and mildew with Microban.- Easy to clean-cleans easily using a minimal amount of water.- Inhibits powdering and cracking-provides a more dense and stronger portland cement grout joint.- Locks in grout color-reduces problems with faded or blotchy color in grouts.- Water and frost resistant-prevents damage to grouts from weathering, frost and thermal shock.- Reduces staining. Reduces absorption.- Designed for interior and exterior use.- "Extra Heavy Service" rating per TCNA performance levels (RE: ASTM C627 Robinson Floor Test).- Improves flexibility and durability-makes grout more shock resistant.Suitable Substrates:All substrates suitable for Ceramic Tile and Stone.