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I've used the incandescent light in my oven to keep sourdough starter warm before. If the wattage is too low, you could hack together a simple thermostat driven
by 0_____0 3y ago
I've used the incandescent light in my oven to keep sourdough starter warm before. If the wattage is too low, you could hack together a simple thermostat driven relay and a larger light bulb run into your oven.
- ch4s3 3y agoA big cup of hot water works pretty well too.