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Do Fish Tank Thermometers Contain Mercury? [Solved]

But do aquarium thermometers contain mercury? Aquarium thermometers don’t contain mercury. Mercury is highly toxic and no longer used in aquarium thermometers.

Best Aquarium Thermometers In 2021 - Top 10 Aquarium Thermometer Review

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PETFOOleD Q & A - What about mercury found in wild caught fish?

Wild caught

The “Miracle Of The Fish” Sudoku

TODAY’S PUZZLE *** Yesterday’s puzzle looked impossible and was a masterpiece. Today’s puzzle is just a masterpiece.