YUP. That's what I thought. However. The instructions say to use a 10% soln. of muriatic to clean the tiles and it does bubble and dissolves as I scrubbed away some surface mortar and grout, but i was a fraid that the acid would seep and make real problems especially if it gets into the radiant floor heat at grade. OUCH!
Thanks as always for the speedy reply.
Quote:
quote:Originally posted by LazyPup
Using the muriatic to try to dissolve the grout might make a real problem if it gets under the pebbles an breaks the bond of the mastic
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It's sometimes better to be lucky than smart.