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Posts posted by Russ
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Overfiring causes the clay body to bloat. If you have not burned out all the organic material in the bisque this will also rear its ugly head in the glaze firing as bloating. .nothing can remedy the bloating in the glaze firing if you havent burned out all the organics in the bisque. You can however fire to correct temp of clay and the reduce temp a bit and hold. This will give time for the bubbles in the glaze to pop and heal over while allowing the clay body to mature and finish offgassing. The amount of time is variable but its just a timing issue.... is the body finished offgassing?.. is the glaze fluid enough to heal? Is the glaze fluid enough at the lower temp to heal over? All hard questions that take time and experimenting to figure out. OR you can dump the black clay and get a more suitable clay body for what youre doing. My 2 cents.
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Invest in a good mop and mop bucket and use it frequently. Your lungs will thank you.
- GEP, PotterPutter, Lucia Matos and 4 others
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Lots and lots and lots of brick for kiln along with all other accessories required to use kiln, and second the pugmill.. oh and the Bugatti Veyron to go pick up supplies really really fast.
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I use pieces to direct flame path along with the height between shelves and how tightly packed is very specific to each and every shelf especially at the front of the kiln. How I set the work on shelves determines whether the bottom back will be more even in temp to the top front ...so... what would that be? A bit of both?
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Neither. . Im a dinosaur . Cone 10-12 wood fired reduction. Dont leave us high fire folks out!.... for me its the joy of firing with wood and the friends and family and food involved... Plus (I know Ill get lambasted here) there a big difference between low/mid fired ox and high fired wood reduction in both the body and glaze. For me its hands down high fire!
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https://insight-live.com/insight/share.php?z=K5hHzDs2Kr
Ive started using this last year. Its a zircon based wash. I dont think ill ever go back to the alumina hydrate/epk wash
QotW: All things considered, What coloring oxide would you not be able to work without?
in Int'l Ceramic Artists Network (ICAN) Operations and Benefits
Posted
Iron oxide is the main colorant in practically every glaze i make. Rutile would come second not as a colorant but just for the effect it has on glazes. 3rd cobalt ox or carb.