Maintaining a fish pond for your home or business can include using the appropriate chemicals to keep your fish safe and to remove any harmful additives from your pond. For example, an excess of organic material, such as leaves, algae, debris or sludge, can be life-threatening to the fish in your pond. It's important to know how to remove the sludge build-up from your fish pond any time small or large amounts of sludge proliferate.
Install a filter that will remove sludge, debris and algae routinely in your fish pond.
Drag a large fishnet around the bottom of the pond to pick up large amounts of sludge that aren't removed by your filter, and avoid picking up any of your fish in the process.
Use a pond vacuum or shop vac if you can't remove all of the sludge with a fishnet. Continue vacuuming the bottom of the pond until all leaves and sludge are removed.
Drain and attack any sludge throughout your entire pond before spring to remove any accumulation that may have occurred in your pond during the winter season. Also, remove your fish before fully cleaning out the pond.
Use a large dust pan and broom to remove all remaining sludge from the bottom of your pond, and place the sludge into a bucket.
Remove your fish using a fishnet and place them into buckets of water before using a pond vacuum. Use water from the pond in the buckets. Never fully clean out your pond with fish in it.