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In the corner of the room, boxes and bags stuffed with clothes, towels and blankets that hadn’t been fouled by smoke from the Eaton fire sat next to a fish tank with discolored water.

Residents in McDowell County, West Virginia — where one-third of families live in poverty — have for example given up on the often discolored water that flows from their taps and buy it by the case instead.

A chemist for the Alcoa Aluminum Company doing research on discolored teeth to determine whether it was caused by aluminum discovered that the cause was fluoride, not aluminum.

“A lot of food we’ve been recommended since we’ve been here looks like this,” he said, showing pictures of several unappetizing, and what appeared to be soggy and discolored, foods.

If you're undertaking a home whitening process, sparkling water might discolor your teeth.