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gerkletoss t1_j211wsd wrote

"Salt fog" is a somewhat colloquial term. Literal fog is not required for significant salt exposure.

And aerosols are not necessarily easy to filter out.

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HelmyJune t1_j218puk wrote

Salt has a boiling point of nearly 1500C so it is only going to be present in air as an aerosol which again would be trivial to filter out. A coffee filter could probably get the majority of it.

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gerkletoss t1_j21d5bx wrote

Boiling and aerosols are not the only way for solids to end up in the air. For one thing, things that begin as aerosols can turn into vapor and leave airborne dust behind.

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