You have cloudy water with air bubbles?

1. Overfeeding: Overfeeding can lead to high organic waste in the tank, causing ammonia and nitrite spikes. This can result in cloudy water with air bubbles as the excess nutrients are broken down by bacteria.

2. Decaying Organic Matter: If there are dead plants, uneaten fish food, or other decaying organic matter in the tank, they can release gas bubbles and make the water cloudy.

3. Bacterial Bloom: A bacterial bloom occurs when there is a sudden increase in bacteria population, usually caused by an imbalance in the ecosystem. Bacteria blooms can make the water appear milky or cloudy with a greenish tint.

4. Improper Filtration: Insufficient or malfunctioning filtration can lead to the accumulation of waste particles, causing cloudy water. Air bubbles can be present due to the lack of proper oxygenation in the tank.

5. New Tank Syndrome: In a newly set up aquarium, the biological filtration is not yet established. This can result in cloudy water with air bubbles until the beneficial bacteria colonies have developed.

6. Algae Growth: Excessive algae growth can cloud the water by releasing oxygen bubbles as a byproduct of photosynthesis.

To address these issues:

1. Reduce Feeding: Feed your fish sparingly, only what they can eat within a couple of minutes. Remove uneaten food after a few minutes to avoid waste buildup.

2. Clean the Tank: Regularly clean the tank to remove decaying organic matter, such as dead leaves, leftover food, and fish waste.

3. Maintain Water Parameters: Keep ammonia, nitrite, and nitrate levels in the recommended ranges using regular water changes.

4. Check Filtration System: Ensure your filter is working properly, properly sized for your tank, and media needs to be replaced according to the manufacturer's instructions.

5. Be Patient with New Tanks: For a new tank, let the ecosystem establish before adding fish. Regularly test water parameters and adjust as needed.

6. Control Algae Growth: Implement good aquarium maintenance practices, control lighting duration, reduce excess nutrients, and use algae control methods if needed.

By addressing these issues, you should be able to clear up cloudy water and remove air bubbles, resulting in a healthy and clear aquarium.