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Commercial pond dyes are non-toxic, high-quality, food colours providing a cost-effective method of controlling algae and weeds without affecting the health of fish, wildlife and plants.

Dyofix commercial pond and lake dyes are supplied in two forms; powder sachets to treat large bodies of water and a liquid solution for smaller fisheries and large ponds.


Non-toxic, eco-friendly Pond Blue dye for lakes will control algae and aquatic weeds that often cause serious problems, interfering with fishing, boating, swimming, and irrigation. The extremely dense growths of filamentous algae and submerged weeds that also cause serious problems to fish, as a result of night time oxygen depletion, will also be controlled.

  • Controls the growth of unsightly algae and weed

  • Hides fish from predators such as herons and cats

  • Gives a rich depth quality to water

  • Creates a beautiful contrast with plants & shrubs

  • Cost effective and easy to apply