Pond Protection Through the Seasons

Spring: check what winter has left behind

These checks are for a UK garden pond. Grey herons live here throughout the year, so there is no month when pond protection can simply be forgotten.

• Inspect covers, supports and netting for damage or sagging.
• Check pumps and filters, clear debris and test the water before increasing feeding.
• Look over cables and camera housing for damage or moisture.
• Save a photograph of the camera view so you can compare it with the view later in the year.

Summer: keep an eye on growth and warm water

• Check that pumps and aeration are working, especially during warm spells.
• Watch the fish and record water temperature and test results. Clear water alone does not tell you whether it is healthy.
• Keep useful plant cover for the fish, but check whether new growth has hidden an edge from the camera.
• If you use a motion sprinkler, test the supply, batteries and aim. Make sure it is not spraying a path or seating area.

Autumn: look for newly exposed edges

At my pond, the heron returned twice in quick succession as the weather cooled in September. It tried a different route, so I adjusted the protection around that approach.

• As plants die back, look for places where fish have lost their cover.
• Remove fallen leaves and check that covers are still secure.
• Inspect camera mounting and cables after wind and rain.
• Review recent sightings. The bird may not be using the same edge as before.

Winter: check equipment after bad weather

Check the power supply, camera housing and pond equipment after storms or freezing weather. A camera that is still running may have a poor view because of rain, dirt or condensation.

Follow fish-care advice suited to your pond when managing ice and gas exchange. If the fish look unwell, check the water and seek advice rather than assuming it is just the cold.

Further reading

• RSPB: grey herons
• RSPCA: keeping fish healthy