Quote:
Originally Posted by DuckieTigger
My charcoal cover is great, the only negative is that the magnets attract dirt which I am not sure how to remove. Dirt is probably the wrong word - it is very fine black metal dust.
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Iron filings or micrometeorites. The desert sand in southeast New Mexico is full of them. Probably elsewhere as well, but that is the only place that I have dragged a magnet in the sand.