The house I just moved into has a lot of white spots all over the concrete. I want to stain the whole slab to get it looking fresh and nice. I had a couple contractors come out to help me resolve the issue.
One of them said a stain would work no problem, get it covered right up and looking nice.
The other said, no way that even after staining after a while its still going to continue to bleed through. Probably forever, because the concrete wasn't laid properly. He said the best bet is an epoxy with a nice sealant. Even then there is no guarantee, but it has a better chance of working.
Who is correct? Does anyone have any other advice on what I can do?