Aquashade is EPA registered to control the growth of algae and aquatic plants. By filtering out the spectrum of light rays that allow for photosynthesis (red-orange and blue-violet), this colorant inhibits bottom growth. Floating plants are not affected by this product if the plant has already reached the surface of the water.
For use in contained lakes and ponds (ornamental, recreational, fish bearing/farming), both natural and manmade, with little or no outflow of water. Acceptable for use in swimming, animal and livestock drinking, irrigation, and fish consumption when used according to label.