Cinnebuns Posted January 1, 2022 Share Posted January 1, 2022 I know copper is dangerous for invertebrates. This got me thinking, are other metals dangerous for our aquariums? There is metal in the hooks for the suction cups for this corral I made for my water lettuce. I don't know what type of metal it is and just realized now it could be an issue or I would have waited to put it in. I called the company to ask the metal type but they won't answer until Monday. 1 Link to comment Share on other sites More sharing options...
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