Cloudy water
Ardan Huck March 14, 2003

Cloudy water can be a sign that the biological cycle is impaired or can be a sign that bacteria are multiplying rapidly in response to an increase in ammonia and/or nitrite levels. It is called a "bacterial bloom." There are not enough bacteria growing on the filter media yet so the bacteria multiply in the water to the point that the water is not clear. This generally clears up on its own as the filters become adequately seeded.

Things to do:
Test the water daily for ammonia/nitrite to make sure levels stay low and do not harm the fish.

Do water changes only to keep the ammonia/nitrite levels low, don't overdue the water changes or the bacteria will not have enough ammonia/nitrite to grow with.

Make sure that aeration is adequate.

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