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Showing results for tags 'variegated glaze'.
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My rutile blue glaze (Mastering Cone 6, Glossy Base 1, Variegated Blue) hasn't been variegated since I made the switch from an ancient Econo-kiln to an Easy-Fire. Using records from old firings to program and reprogram the new kiln, I've clearly failed at matching the heat work I achieved with the old Low, Medium, and High settings on my old kiln. Glaze appears grayish and even instead of bright and variegated. I assume the difference is that my old kiln with its small elements was relying more on time than on temperature to get cone 6 down. I'd appreciate any advice for testing that theory without over-firing. I'm guessing that the second-to-last ramp before cooldown would get the kiln to somewhere between 2000F and 2150 at 100 or so per hour. Does that sound reasonable? Can anyone offer an educated guess for the final ramp (speed, target temp., and hold time, if any) to try next?