When you are a potter you are constantly reminded that raw materials are a finite resource - when they run out - that's it! Then you have to find a new supply or an alternative. This is what has happened to us this week - the usual supply of feldspar has run out and a different batch has been sent. This has meant a lot of testing to see if it has the same properties as the old feldspar. Gerry put lots of tests throughout the kiln and luckily it has turned out the same as the old feldspar.
He also put in a test plate with overlapping glazes on top to see what the effects were. He wants to use some of these on some platters.
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