notbob wrote:

My only question is: How did the porcelain fare? Any deterioration
of the glassy smooth surface?


From what? The hydrochloric (muriatic) acid? Not a chance.

The glassy smooth surface is just that: glass. Acid - except hydrofloric -
is stored in glass containers (or, nowadays, plastic ones). One could also
use sulphuric (battery) acid. Or nitric. You could even mix up some aqua
regia (hydrochloric + nitric) and be good as gold. Except if the commode
was gold plated.

--

dadiOH
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