You can use virtually any watertight container for your mini pond. Old enamel sinks and stone troughs work well or choose a glazed ceramic plant pot with no hole. Once the pond is set up ...

A mini wildlife pond requires only a few materials ... and weighted to the bottom of your pond container. Select a spot in your yard or garden that gets good light—it should not be full sun ...

Thus, it is not worth the risk to use this kind of galvanized steel stock tank for a container pond because it could contaminate the water and cause you to lose all of your fish. The good news is ...