wd40

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    Did WD40 ruin my prefab fireplace?

    I would love some help. Last winter I moved to a new condo. The lever to open/close the damper was stuck and I was told to spray some WD40. I did and problem got solved. But I might have sprayed a bit too much as since then every time I put a fire on it smells toxic after like 20 mins. Issue is...