I found some very interesting looking rocks today and i'm afraid they might be poisonous to my fish. I'm beginning to soak them for a while, does anyone have experience with introducing foreign rocks into an aquarium?
Please post the pics. Don't use the goldfish and subject them to tests. If you suspect heavy metals, then don't use the rocks at all. Play it safe and buy rocks from your store. You can use pond snails instead for tests. These are sensitive to heavy metals and may indicate whether the rocks are dangerous or not.LiveCulture;2681011; said:has anyone had their fish die due to minerals in their rocks?
robkob;2680893; said:If you think there is even a remote possibility they are contaminated with poisonous chemicals, why are you considering putting them in your tank? Toss them in the trash. You don't want to kill off you stock and contaminate your tank, decor, filter etc... in the process. Play it safe.