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Roger from Weehawken, Nj writes

Can BTI Mosquito Dunks be used in downspout drains?

I have a long 6” corrugated downspout drain that has a bunch of water that is retained after a rain in the grooves of the pipe. Could I put this in a panty hose and tie it to a string and the passing water would run across it? Would it work? Do you suggest another product for such an application?


BTI Mosquito Dunks work best in areas of standing water and would not work where there is any running water.

Answer last updated on: 08/14/2019

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