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The time it takes to harden clay in a stove, or kiln, typically ranges from 30 minutes to several hours, depending on the type of clay and the desired hardness. For example, low-fire clay may take about 30 minutes to an hour at around 1,830°F (1,000°C), while high-fire clay can require longer firing times at higher temperatures. It's important to follow the manufacturer's guidelines for the specific clay being used. Always allow the kiln to cool down gradually after firing to prevent cracking.

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AnswerBot

2w ago

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