Ultraviolet sterilizers (UV lights) are a very effective way to control green water algae in ponds, as well control other unwanted elements like bacteria and parasites.

Ultraviolet Sterilization is a proven, dependable and effective method for controlling and eradicating algae spores, bacteria and protozoa present in the water source Ultraviolet rays alter or disrupt the DNA and RNA of target organisms. By properly implementing a UV light in your system, the targeted organisms can be eradicated effectively without any harmful residuals.

UV lights or UV clarifiers can be used to control the amount of harmful bacteria and parasites in your pond, while creating a healthier environment for your pond ecosystem. When using a UV light as water clarifier, it will clear your pond of green water algae quickly and effectively, without the use of algaecides.