Lili Krakowski on sat 19 feb 11
Linda writes:
"we had good luck with [red glaze] . After a cone 6 firing, (maybe cone =3D
7) There were ... big [washed out spots] the pots....white or silver. =3D
Can I fix the glaze I have, it was pricey as far as pints go. It is =3D
almost full, there is only 1/4 of it used. And yes we stirred it really =3D
well.
Does anyone have any ideas?'
Ok. to me the giveaway word is "stirred". When some materials dry out =3D
they form a hard hard little lump the size of an infant flea.
You can stir away, they will not disappear.=3D20
I am puzzled by the c.6 /c7 bit. Are you overfiring the glaze?
But my real guess is that, in drying, your glaze formed little lumps =3D
which do not suspend and disperse properly.
Suggestion. Use good warm water to hydrate your glaze., Sieve it =3D
through a fine sieve. If little lumps are left in the sieve grind them =3D
into dust. Add the dust back into the glaze. Add some Bentonite =3D
solution--discussed last week--to the mix. Let the glaze sit overnight. =
=3D
Re-sieve. Process any little lumps as above.
You may want to add some Epsom salts or calcium chloride to help things =3D
stay suspended. If this is a commercial glaze may already be some in =3D
there...so would be careful not to overdo.
And remember: all my linen is embroidered with the motto: Sieve, don't =3D
stir.
Lili Krakowski
Be of good courage
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