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controlling ph in glazes am currently doling solme re4seasrc h

updated mon 30 mar 98

 

BobWicks on sun 29 mar 98

In a message dated 98-03-27 08:48:00 EST, you write:

<< Reference
>my earlier thread 'Glaze Nightmare'. Is it only a change in flocculation or
>are there other factors as well? I'd be interested in any comments on this
>factor in glazes. >>

Marshall:

I have been in terested in this for some time. I am a retired college art
prof and I'm currently teaching part time at a small art center. Our water is
from a well located on the property and I had Culligon test the water and the
results came back with a hardness of 28 ppm. As the seasons change, the water
seems tro change also. So as a result of this, nothing is consistent in
mixing glazes. I find that using rain water is the most practical. Probably
distilled water would be even better. I have tried litmus ppaper, but that is
just another thing to bother with. There seems to be no simple answer to
this dilemma. You could add a small amolun t to vinager or Mureatic acid to
the water to make it slightly acid. I have tried adding bentonite and on
other ocassions the use of Darvon. I was not satisfied with either of these
either.
Consequently I am researching more on deflocculation techniques.

If you have any insights to add to this prob lem, I would appreciatge hearing
frolm yhou.

Bobwicks2AOL.COM