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Denice from Clay, Mi writes

What is the best time of year to put BTI Mosquito Dunks in the water?

I live in Michigan. Right now the snow has melted and I have standing water in numerous locations. It usually takes until June to recede. When should I add the dunks?

Answer:

According to Summit Chemical the manufacturer of the Mosquito Dunks, the best time to use the dunks is at the beginning of April, and no later than May. 

Answer last updated on: 04/05/2016

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BTI Mosquito Dunks

BTI Mosquito Dunks

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