Blagdon Duckweed Buster 250ml

Controls duckweed A natural bacteria that starves algae of essential nutrientsUse when: Unsightly duckweed covers the surface of your pondDuckweed (lemma Minor) using a natural bacteria which prevents its growth by modifying the water chemistry and creating conditions which prevents its spreadWe recommend manually removing as much duckweed as possible before treatment to increase the product's rate of success.