Remove excess leaves, grass clippings, and debris from the pond
Reduce fish feeding to prevent nutrient buildup
Add more aquatic plants to compete with algae
Improve pond circulation with a pump or fountain
Increase aeration with an air stone or aerator
Limit direct sunlight with shade plants, a shade sail, or floating covers
Clean filters and skimmers regularly
Vacuum sludge and organic buildup from the pond bottom
Perform partial water changes with dechlorinated water
Test and balance pond water for nutrients and pH
Use barley straw products if appropriate for the pond
Apply pond-safe algaecides only as directed
Introduce beneficial bacteria treatments
Control runoff from fertilizers, soil, and pet waste
Avoid overstocking fish
Remove algae manually with a net, brush, or rake
Maintain regular pond maintenance to prevent regrowth