thought we had a haze of grout, we used water, vingar then cement grout haze remover. haze remover took out the grout in the areas where we need the grout. It was
Grout Haze Remover - (Available in 1 & 5 Litres) Fast, effective grout stain and cement residue remover. - Smartseal
Non-Cement Grout Haze Remover - Aqua Mix® Australia - Official Site
Aqua Mix Grout Haze Clean-up – PTSAquamix.com
Cement Grout Haze Remover - Aqua Mix® Australia - Official Site
Custom Building Products Aqua Mix 1 Qt. Cement Grout Haze Remover 050162-4 - The Home Depot