Your pond should be cleaned to remove debris that has accumulated throughout the year. Before cleaning, any beneficial creatures, such as water snails, should be placed in a shallow tray of water so that they can be reintroduced to the pond once you have finished.
1 Empty the pond by bailing it out with a bucket, or pump the water out by attaching a hose to the pump outlet.
2 Remove any soil, mud, and plant debris from the bottom of the pond. Put pond animals in a tray of water.
3 Using a stick brush, scrub the sides oj the pond, applying a weak solution of sterilizing agent.
4 Clean (he sides and bottom with a powerful water jet. Allow (lie pond surface to dry. then refill.