Blue Dye For Pond Algae

Blue Dye For Pond Algae. By colouring the water black, it deflects ultraviolet rays, so the algae can’t photosynthesise. Overall, a versatile blue pond dye that provides a fish safe light blue color to the water and helps reduce algae growth and predators.

There’s a couple few reasons why the blue is more popular. Pond blue liquid is an eco friendly dye designed for large bodies of water to control algae and submerged aquatic weed growth.