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Why is my turtle tank cloudy even after using algae cleaner?

Updated On September 23rd, 2025

Really Need your help! Our turtle tank is all cloudy. Changed water put alges a Really NEED YOUR help. Our turtle Aquarian is all cloudy. Can see the turtle even. Changed water and put in alges cleaner. But this is the 2nd time this has happened. It looks like it would disturb the turtle but seems ok. WHATS HAPPENING?

2 Answers

Most Helpful Answer

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Answered By Angel Alvarado, LVT

Licensed Veterinary Technician

Published on March 10th, 2018

The cloudiness can be due to elevated ammonia or nitrite levels or algae blooms. If the tank was previously cycled, the water change may have disrupted the nitrogen cycle resulting in cloudy water. Check the water temperature and chemistry. It is okay to cycle a tank with a turtle in it. They are hardier than fish and can withstand the elevated ammonia and nitrites until the tank chemistry "settles" down.

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Other Answers

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    Answered By Angel Alvarado, LVT

    Licensed Veterinary Technician

    Published on March 21st, 2018

    If it is a newly set up tank, it could still be cycling. If it is established, it may be going through a "mini cycle". Check the water chemistry using a home test kit or by submitting a water sample for testing. Most pet stores will do this for free or for a small fee. If ammonia or nitrites are elevated, this can cause a bacterial bloom which will make the tank cloudy. Turtles are hardier than fish and can withstand elevated levels, but you should perform a partial water change to stabilize chemistry. Use aged or conditioned water that is temperature matched to prevent stress or shock. Check the water level and filter as well. A strong current will kick up more sediment and low water levels can cause the filter to " sputter" and inject micro bubbles into the water which can affect clarity.

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