What reason does submersible aerator not aerate

Reasons for less or no aeration of submersible aerator:

1. Diving depth of the submersible aerator is too deep

2, impeller blade cylindrical wear, or blade part damage

3, the submersible aerator steering is wrong

4. The impeller is loose

5, submersible aerator has impurities blocked

The solution:

1. Lift the submersible aerator

2. Replace the impeller

3. Correct the direction of rotation

4. Tighten the screws

5, remove debris, remove with water