thinset between tiles in grout space
Utility knife held at a slight angle. It's best to cut the thin set not scrape it. As long as this is not a shower floor with a surface membrane, you're good.
This happens to me too, don't feel too bad. One reason we have to charge more for mosaics.
Tile 4 You LLC Troy, MI
KERDI Shower Specialist ... DITRA Installs ... Product-Method suitability consultation. I have NEVER made a mistake, I thought I did once...........but I was wrong! - PRODUCTS ADVERTISED WITHIN MY POST ARE NOT ENDORSED BY ME!