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Sula from Louisville Kentucky writes

How do I know when to replace my dunks?

I have dunks in all my rain barrels. They are still present and floating after 40 days. How do I know when they have stopped being effective and when to replace them?

Answer:

BTI Mosquito Dunks can last for up to 30 days. 

Answer last updated on: 05/07/2023

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BTI Mosquito Dunks

BTI Mosquito Dunks

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