Originally Posted by Landp
Honestly, I don't have it in me to do all that. I thought about ignoring wise advice and adding grout to the top then some sort of glaze over everything to seal it in. : )
No one can make you do it right, it's your house. One thing for sure you will get lots of practice doing it that way.
I would not use a grout saw and not us an angle grinder. A multi-tool with the grout removal blade is the way. The relevant part of this video starts at 5:20.