Blagdon Duckweed Buster 1000ml

Removing unsightly duckweed covering the surface of your pond. Controls the spread of unsightly and problematic Duckweed ~ Natural bacteria that prevents growth by modifying water chemistry ~ Harmless to filters and all species of pond fish and plants and water using wildlife. Duckweed Buster controls duckweed using a natural bacteria which starves the algae of essential nutrients. Duckweed Buster is harmless to filters and all species of pond fish, other pond plants and water using wildlife. This product cannot be overdosed. 1000ml per bottle.