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liambesaw

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Everything posted by liambesaw

  1. It's the perfect hobby for people who prefer to stay busy. Always something to do, or learn, or clean.
  2. Unfortunately there is plenty of zinc in lots of glaze recipes, it's pretty unavoidable, and frankly one of the lesser evils eminating from the kiln. Instead fire in a well ventilated space and stay away from the kiln and vapors.
  3. Could be gas from the red clay body dragging a bubble through the layers of glaze.
  4. They've been Dremeled, if you look closely at the first picture, you can see the cross section of glazes. White on top, then temmoku, then clay body. I know the look oh too well, as I have a couple of glaze combinations that also run off the piece.
  5. Your dryer plug has 2 hots, a neutral and a ground. Your kiln only requires 2 hots and a ground. You can change the plug on the kiln fairly easily and just leave the neutral off.
  6. I'd say most production potters still glaze fire with gas. Hard habit to break
  7. Good to hear it's not tripping with a 60 amp breaker, I wouldn't worry now as long as the wire is appropriately gauged and the kiln is working. Glad we could help!
  8. Nice! I've heard of some using sodium metabisulfite as well with good result (and slightly less dangerous
  9. Remove all of the old plaster and use a durable plaster like hydrocal
  10. That's some larger grog, I think you may be surprised how fine 30/80 is. 30 mesh being the largest size, is half a millimeter. You can make any color and size grog by smashing vitrified clay, and then dry sifting (outdoors, upwind, with a respirator) to classify material. The thicker you mix the slip, the better the particles will be suspended
  11. Yeah I don't get a discount on that one because it's imported and it's like 25 bucks a box or something crazy like that. I'm sure it's worth every penny though, every thing I've seen and read about using those Australian/New Zealand ice porcelains has been top notch. I might have to spring for a box next time I reload.
  12. You could dump a reduction material into your raku kiln if you're wanting that but can't get it to reduce. I've seen anything from sugar to oil to charcoal used.
  13. Looks like maybe a floating blue over temmoku or something like that. Pretty hard to know, have you tried asking him? https://www.campbellpottery.com/contact-us/
  14. Could go for silicon carbide rod elements too, mounted off the surface. A lot of Chinese electric kilns use them, but may be hard to source at the appropriate resistance
  15. She hasn't been here in almost 2 years. But any ceramics supply will have redart clay, it is a common ingredient in glazes and clays.
  16. Only if you're dipping a brush into them. Dripping a line of glaze in front of the brush keeps the brush from sticking and keeps the glaze from drying as you apply it. The main issue with brushing dipping glazes is that they dry so quick, so it's a fun little workaround for that by squirting glaze while brushing
  17. It requires a 60 amp breaker since it draws 48 to allow for surges.
  18. Rub it with a fork, my main issue with mattes on dinnerware is that they usually mark with cutlery. May want to taste it too, to make sure the saturated iron areas aren't metallic tasting (eww). Other than that, nothing about iron as a colorant will poison people unless they have a rare genetic disease. You can always send it out to be tested for amounts it may leech, iron does affect glaze melt and 10% is enough to do that. Zirconium also has an effect on glaze melt, it's refractory. It also is notorious for causing cutlery marking.
  19. If you have a Korean supermarket somewhere near you, I found kimchi mixing tubs to be very cheap and very awesome for glazing. It's like halfway between a laundry tub and a kiddie pool, I can put my big banding wheel inside and harvest all the drippies.
  20. Secret to glazing big bowls is spraying, everything else causes too much glaze to pool in the bottom which can break the bowl or bubble or all sorts of nastiness. I've been really into doing big 2 piece vases and stuff, trying to feather my nest by covering my front garden areas in big pots
  21. Nickel ii oxide is green and 100% NiO, nickel III is 90ish percent nio, nickel ii carbonate is around 64% nio
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