Its too warm. You could fill the crock pot with water 1/4, flip the lid, put you jar or bowl on the lid and cover it with towels. I use a mason jar for my starter. Turn the oven on for just a minute, then turn it off. Turn the light on, put the jar in and wait 12 hours. Also, if you have a gas stove the pilot light should keep it nice and warm inside, then you don't need a light... I always set my starter in the oven with the light on but i don't wait 2 hours for the light to warm it, i just pre-warm the oven.

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