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- Oct 28, 2018
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Always had this question myself, I have those flipper magnet two of them (with steel blade on the side) and i leave it on the side glass of the my tank hidden sight (kinda) right on the top where half outside water and half inside. Wondering if its safe in terms of it being a metal and can it contaminate in any way when it's in good condition or used for years. What are your thoughts?