How To Fix A Cloudy Fish Tank?

How long does it take for cloudy aquarium water to clear?

2 to 4 days

Will my fish die in cloudy water?

Typically, cloudy water like that is due to bacterial bloom and is usually not harmful, but if it’s severe, it can add to the ammonia levels. You control the levels of it by doing regular water changes. It is possible to cycle using fish in the tank, but very often, the fish die as a result.

How do I get rid of a bacterial bloom in my aquarium?


  • Check Your Filter. The first step in fixing a bacterial bloom is to make sure your filter is properly sized for your tank and fish stocking levels.
  • Change Your Water.
  • Reduce Feeding.
  • Supplement.
  • Use an Enzyme Mix.

Will a filter clear cloudy water?

No! The big thing in terms of the filter when dealing with “New Tank Syndrome” cloudy water is don’t mess with it. Cleaning a brand new filter or replacing the pad does nothing good, and potentially eliminates the good bacteria that are trying to get established.