Bostik Dimension RapidCure StarGlass Grout 610 Opal 18# Grout Calculator http://www.bostikdiy.com/grout-calculator?width=500&height=500&iframe=true New 3 Day Cure for water exposure; Delivers a unique reflective appearance; Chemical and mildew resistant; Contains Bostiks Blockade antimicrobial protection; Flexible resistance to cracks and low shrinkage; Offers limitless design possibilities; Easy to install  30% to 50% faster than other grouts; Offers easy cleanup with water;