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Even if it did, you can just toss them in a sealed container with desiccant to dry it out again. But the main way to know if you have moisture is to measure the thickness of the filament or to watch for "popping" (this is steam building up pressure and releasing) at the nozzle tip during a print. It will cause lumps in your prints and mostly effects PLA.
Exactly what I do as well.
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