If airflow is weak, check the aerator tubing for kinks, damage, or blockages.
- Unplug the aerator.
- Disconnect the tubing from the compressor and aeration disk.
- Inspect the tubing for kinks, crushed areas, dirt, or debris.
- Clear any visible obstruction.
- Reconnect the tubing and make sure the check valve arrow points toward the pond.
- Plug the aerator back in and check the airflow.
If the tubing is clear but airflow is still weak, disconnect it from the aeration disk.
- Strong airflow from the tubing: Clean the aeration disk.
- Weak or no airflow: Recheck the tubing, check valve, and compressor.
Replace tubing that is cracked, damaged, or cannot be cleared.