Evolution Aqua 75w 2025 UV Steriliser UVC Clarifier Green Water Pond Filter Koi
The Evolution Aqua Professional UV Clarifier range 15w - 25w - 30w - 55w - 75w - 110w 2025 version. As the algae rich water passes through the UV unit, the ultraviolet light destroys the single-cell algae that cause green algae.