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Caroline E

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  1.    Hulk reacted to a post in a topic: Strontium Crystal Magic Cool- Food Safe?
  2. Caroline E
    @Callie Beller Diesel and @Min Thank you very much for your responses! I have some follow up questions. Would the glaze be food safe if it was only applied on the outside? From what I can gather from your response, it is not food safe because it does not properly melt at ^6? I also wanted to ask you about the inclusion of lithium carbonate. I realize lithium carbonate is a toxic material. Does any ingredient labeled "toxic" mean that it can not be included in a food safe glaze? When any material is "toxic", is the concern in the powdered form or the fired form? Also, can you please expand on your mention of the glaze not including silica and what that does to the nature of the glaze? Thank you very much Caroline
  3. Caroline E
    Hi all, I came across a glazy.com page by lakeside pottery that stated Strontium Crystal Magic Cool ^6 is not food safe. I haven’t seen this information anywhere else and it looks like a popular glaze widely used on functional ware. Does anybody have any information on this? What would make it not food safe? Here’s the link: https://glazy.org/recipes/4301# thanks very much Caroline
  4. Caroline E
    @Denice Good point. Thanks!
  5.    Caroline E reacted to a post in a topic: Extreme Cracking/Shrinkage in Tiles
  6. Caroline E
    @neilestrick Thanks very much. I will try that.
  7. Caroline E
    Hi everyone, I am hoping to get some advice regarding a students tile work. Her large tiles had severe cracking/shrinkage from the glaze ^6 oxid. firing (standard ^6 medium speed firing). Please see photo. The student was using commercial clay without grog and used Mayco glazes. For her next set of tiles, I advised the student to use clay with grog and to compress the front/back of tiles. In the firing, we plan to use sand and/or waste slabs underneath the tiles. Is there anything else we should do? Should I be using a firing schedule that has a cooling ramp? Thank you in advance for any help. Caroline
  8. Caroline E
    You guys are always amazing with your quick responses. Thanks so much for your recommendations and time!! I'll keep following along if anyone adds anything else.
  9.    Caroline E reacted to a post in a topic: Pottery Wheel Recommendations
  10.    Caroline E reacted to a post in a topic: Pottery Wheel Recommendations
  11.    Caroline E reacted to a post in a topic: Pottery Wheel Recommendations
  12.    Caroline E reacted to a post in a topic: Pottery Wheel Recommendations
  13.    Caroline E reacted to a post in a topic: Pottery Wheel Recommendations
  14.    Caroline E reacted to a post in a topic: Pottery Wheel Recommendations
  15.    Caroline E reacted to a post in a topic: Pottery Wheel Recommendations
  16. Caroline E started following Flipping shelves to get rid of warping?  , Pottery Wheel Recommendations , De-Air Pugmill Recommendation and 1 other
  17. Caroline E
    Hello all, I need to purchase 2 new pottery wheel for our ceramics studio classroom. We currently have all Brent pottery wheels, but I would like to see if I can purchase one that is more cost efficient but will not lose quality. I know there are several other companies to choose from other than Brent, but I do not have experience with any others. Can anyone please share their recommendations for a regular studio size pottery wheel that is a good investment but less expensive than Brent? Can anyone speak on their experience with Shimpo, Pacifica, or Speedball wheels? Thanks so much for any help in advance! Caroline
  18. Caroline E
    Thank you both!! @Min @Mark C.
  19.    Caroline E reacted to a post in a topic: De-Air Pugmill Recommendation
  20.    Caroline E reacted to a post in a topic: De-Air Pugmill Recommendation
  21. Caroline E
    Hi all, I am looking for a recommendation for a de-airing pugmill for a classroom clay studio. Which brands are most recommended and best priced? I have used Peter Pugger before and it worked great but I wanted to compare options. Thanks! Caroline
  22. Caroline E
    Hi All, Like always thank you so much for the generous knowledge you share. I have attached a picture of my cones from the firing. I cannot get a good picture of the blistering on the pot because they are really small, but they are a few scattered around and they are sharp. To answer your questions, I have one thermocouple. I wasn't aware of the term "offsetting the thermocouple", but earlier this year, I did program my skutt kiln to fire a little cooler with the help of Skutt customer service. At the time, my kiln was firing a cone too hot and the blistering on the pots were worse than they are now. I thought that blistering on the glaze was a result of the kiln being too hot, now I have learned that blistering can happen when the kiln is too cool. Can someone please explain what temperature blistering happens? Please also let me know what you think about my cones. I am starting to think it may be a good option for me to try a hold at top temp instead of messing with offsetting again. thanks, Caroline
  23. Caroline E
    Hello all, I am experiencing some small blistering on glaze ware that were on the top shelf. I put 3 cones bottom, medium, and top shelves in the kiln. It turns out that my top shelf was firing at a slightly lower temperature, and the pots on the top shelf were the only ones with blistering. I was recommended to put a hold at the top temp of my Skutt kiln to try to level out the glaze. One person told me to put a hold at top temp for 10-12 minutes and another said 1-2 minutes. Which hold time is better? My initial question was that the longer I hold at top temp, I may run a chance of overheating? I am using Opulence Glazes from Mid-South ceramics. Thanks for any advice, Caroline
  24.    Hulk reacted to a post in a topic: Flipping shelves to get rid of warping? 
  25. Caroline E
    Thanks so much for the replies!
  26. Caroline E
    Hello ceramics community, I have a set of studio Skutt kiln shelves that are around 2 years old. We have grinded the old kiln wash off. I was wondering if I flip the shelves and apply kiln wash on the opposite side if it could fix the slight warping? Has anyone had any success on this? Thanks for any help, Caroline
  27.    neilestrick reacted to a post in a topic: Cone 6 Studio Glazes for High School Classroom
  28.    Hulk reacted to a post in a topic: Cone 6 Studio Glazes for High School Classroom
  29.    Hulk reacted to a post in a topic: Cone 6 Studio Glazes for High School Classroom
  30. Caroline E
    Dear @Kelly in AK If you have been buying Amaco's dry glazes, they are being discontinued. That's why I am looking for other recipes If you're not using Amaco, do you mind sharing which brand you are using? Thanks! Caroline
  31. Caroline E
    Dear @neilestrick, Wow! This is GREAT! I very much appreciate you taking the time to send the recipes and test tiles. These look like they will work wonderfully in our studio. I am going to make some tests. Again, thanks so much! Caroline
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