Photo 1 of 2 in 1 Sourdough Starter Warmer Mat - Upgrade Warming Heating Sour Dough Starter Pad 24H Timer 1°F Thermostat Control(70-100°F) & Coffee Heater(110-180°F), Fit Jar Up to 40oz, Perfect for Home Backing

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Photo 1 of 2 in 1 Sourdough Starter Warmer Mat - Upgrade Warming Heating Sour Dough Starter Pad 24H Timer 1°F Thermostat Control(70-100°F) & Coffee Heater(110-180°F), Fit Jar Up to 40oz, Perfect for Home BackingPhoto 2 of 2 in 1 Sourdough Starter Warmer Mat - Upgrade Warming Heating Sour Dough Starter Pad 24H Timer 1°F Thermostat Control(70-100°F) & Coffee Heater(110-180°F), Fit Jar Up to 40oz, Perfect for Home BackingPhoto 3 of 2 in 1 Sourdough Starter Warmer Mat - Upgrade Warming Heating Sour Dough Starter Pad 24H Timer 1°F Thermostat Control(70-100°F) & Coffee Heater(110-180°F), Fit Jar Up to 40oz, Perfect for Home Backing