i needed regrouting done on the paved edges of my swimming pool, the guy i hired done the job but he didn't clean the pavers afterwards properly so now there's a very slight film of cement grouting washed over the pavers - it makes them look slightly powdery. He said it would wash away but since then there's been heavy rain a few times but it still hasn't come off. What do you suggest i do to remove that residue? I thought about hydrochloric acid but I was worried it might damage the natural sheen in the pavers? what do you think...............
Go to the tile department of any home improvement store they will have a phosphoric acid cleaner for just such a purpose. It may be called grout haze cleaner or something to that affect.
For removing a light haze try regular vinegar. It is a mild acid and works well in this application. I use a plastic spray bottle and a medium bristle brush. Spray an area and scrub with brush rinse with clear water. May take a couple applications.
back set is a cement dissolver by romix u find it at most stores .... its even used on cars so they dont get scratched we were doing concrete in between the pattio bricks on my new patio to fill em in and had that problem... it works great... it wipes away clean
