Grout Refresh - Black - 8oz Bottle Refresh, Restore, Renew - Instantly removes years of dirt build-up with our Grout Refresh non-toxic cleaning formula Color choices - Choose from a wide variety of colors. Restore to the original color or redecorate with any of our polyblend color Deep Cleaner - Safely renew grouts as it can be applied and bonds to cement, epoxy, urethane and acrylic grouts. Easily to Apply, Easy to Clean - rejuvinate grout without using any machineries and cleans easily with no mess left behind. Risk Free Transaction - with Amazon A-Z Guarantee a full refund will be given if wont like our products.