Photo 1 of Sourdough Starter Warmer, Precise Thermostat Control (70-100°F) Sourdough Warming Mat for Kitchen, Auto On/Off, 0-12 Hours Timer, Fits Jars Up to 40oz, Perfect for Home Baking

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Photo 1 of Sourdough Starter Warmer, Precise Thermostat Control (70-100°F) Sourdough Warming Mat for Kitchen, Auto On/Off, 0-12 Hours Timer, Fits Jars Up to 40oz, Perfect for Home BakingPhoto 2 of Sourdough Starter Warmer, Precise Thermostat Control (70-100°F) Sourdough Warming Mat for Kitchen, Auto On/Off, 0-12 Hours Timer, Fits Jars Up to 40oz, Perfect for Home Baking