What are the possible causes of cloudy water in a goldfish tank?


Quick Answer

Bacteria, algae, poor aeration, chemical imbalance and waste are several causes of cloudy water in a goldfish tank. Goldfish are messy and it doesn't take long for the water in an unfiltered bowl or tank to become cloudy.

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Full Answer

To prevent water quality problems, keep goldfish in filtered and treated fish tanks rather than small bowls. If you must keep goldfish in a small bowl, change and treat the water daily. Goldfish can grow very large and can live in a variety of environments, including in tropical fish tanks. In a healthy and clean environment, goldfish can live for several decades.

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