Blagdon Duckweed Buster 250ml


Blagdon Duckweed Buster is a natural and safe solution for controlling nuisance duckweed in garden ponds.

Available in 250ml, 500ml and 1L bottles.

250ml treats up to 2,273 litres.

In stock

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Duckweed Buster

  • Controls the spread of unsightly and problematic Duckweed.
  • Contains natural bacteria that prevents growth by modifying water chemistry.
  • Harmless to filters and all species of pond fish and plants and water using wildlife

If left untreated, it will block out light to the pond, leading to plants, fish and other wildlife dying. The pond will then become foul smelling and stagnant.

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.


  • Remove as much Duckweed as possible before treatment.
  • Can be used at any time of the year.

After treatment it is recommended that you use Blagdon Sludge Buster to break down and consume the dead duckweed.

Additional information

Weight 0.28 kg


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