A while ago I had some left over white thinset in it's original 20# bag, I poured them into an empty plastic bucket (labeled for grout). I put it away and forgot about it for a whole year. Yesterday I noticed in my bathroom shower tiled wall there is a crack along one of the recessed alcove. So I used screw driver to chip the grout out, then took out the "grout" from that bucket, mixed it with latex grout additive and water and used it. This morning I remember that those were not grout, those were thinset!
Now the question is, what have I done? Should I chip them out and replace with real grout or is it "OK" what I did? It is inside the shower on the wall about waist height and will get wet.
Thanks for any comments.
MC