On Sat, 25 Aug 2007 13:48:05 +0100, The Natural Philosopher
wrote:
removal of grout from slate tiles

Its murder doing the grouting: If you had posted earlier I would have
told you how I evolved a system...that works.

Just be ultra happy it was slate, not limestone. That etches faster with
the acid than the grout does...

T

Any chance you can enlighten us?

We are just about ready to lay a limestone tile floor in the kitchen
and we've never done this before. Any advice will be most welcome TNP.