Blagdon Duckweed Buster 250ml

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At last an effective natural deterrent to problematic duckweed.
Treats 500 gallons or 2273 litres

Duckweed Buster is a natural product.
It works by preventing the growth of duckweed by modifying the water chemistry and creating conditions which prevent the spread of this problematic aquatic plant in your pond. This is a mild chemical and is perfectly safe for your fish, wildlife and plants