effloresence, latex leaching, something else?
We grouted on Sunday afternoon. Our grout is supposed to be medium gray, but came out off-white. It's a darker tile, and the grout haze was very apparent, so we may have over-wiped it (though we were careful to wring out our sponges well--at least I thought so). We used a grout with a polymer added and also added grout-boost. Was wondering if there was any way to identify what I'm dealing with.
I've purchased grout haze remover, and I've heard of people using other things like vinegar or stronger acids. Was wondering how to proceed. Maybe start with vinegar and work up? And, if that's the wayy to go, should I wait to allow the grout to cure before I start hitting it with acids or anything? (If so, how long?)
Thanks for looking at my problem.