smell from wood burning stove ?

We've bought a house with an old cast iron Fisher woodburning stove. If it's been idle a few days and we start a fire we get this strong "refrigerator" smell. It's a musty smell like an ice cube tray only stronger. What is this and is it normal?
--zeb
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It gets cold and moist and absorbs a lot of odors at times. I've experienced that with others stoves. The ash inside holds the odor also.
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Maybe it was not used much in the past the flue was left open and moist air has circulated in it over time growing mold in the ash residue . I would think a good long hot fire would kill anything that is smelling, even old ash can stink, or maybe it was a mouses house
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