To prevent algae growth, implement several strategies. Reduce nutrient levels by minimizing excess organic matter, such as leaves and fish waste, from entering the pond.
Use a proper filtration system to remove excess nutrients and debris. Introduce beneficial bacteria that compete with algae for nutrients.
Consider adding aquatic plants that shade the water surface, limiting sunlight penetration.
Avoid overfeeding fish and keep their population in check. Additionally, ensure proper water circulation and aeration to maintain oxygen levels and discourage algae growth.