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Showing results for tags 'soda felspar'.
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Hi. I was looking for a nice white liner glaze and I came upon Turners White in a CAD article. It said it was good with cone 6 and cone 10 and mixes well with Mason stains. Sounds perfect to me, The glaze called for soda ash which I was out of. I called my local pottery shop and he had Minspar 200 which he said should work well as a sub. So I tested it at Cone 6 and it came out very underfired looking. It was dry and cracked This is the recipe I made Dolomite 10 Whiting 9 Minespar 200 25 Custer Felspar 20 EPK 18 Talc 6 Silica 12 BEntonite 2 Zircopax 8 (I used Zircopax plus) Is Minspar 200 a good Soda Felspar? Could it have been Zircopax Plus instead of just Zircopax? What can I do to fix this glaze for cone 6 firing. Thanks