Pond Biologics Barley Extract Algae Prevention for Water Features and Ponds Farm Pond Supplies_Pond Dye Choose from three available options:

Choose from three available options:

Choose from five available sizes:

Works within 24 hours

Add Cygnet Plus Surfactant for a more effective treatment

This professional-grade aquatic herbicide is highly effective on duckweed and other nuisance aquatic weeds

Pond Biologics Barley Extract Algae Prevention for Water Features and Ponds Farm Pond Supplies_Pond Dye Choose from three available options:Pond Biologics Barley Straw Extract Pond Algae Preventative helps naturally slow the growth of pond algae and green water without harming fish, plants, or wildlife. This natural treatment releases compounds that inhibit algae growth, helping maintain clearer, healthier pond water. Safe for fish, frogs, turtles, pets, livestock, and waterfowl, barley straw extract is a non toxic, low maintenance algae control solution with no water use restrictions.