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Ryan from New Orleans, La writes,

Can the Talstar PL Granules be spread underneath a deck?

I have a deck that is only about 6 inches off the ground and it's underneath a patio cover. The result is that is stays damp underneath the deck. Can I broadcast this over the deck and sweep it between the cracks to help control mosquitoes? I know it won't be perfect uniform coverage, but something is better than nothing, right? If you have any other suggestions on a product or how to control the mosquitoes under the deck, I'm open to sugestions.


To concentrate on the area under the decking, using Talstar P which is the liquid form of Talstar PL Granules. This would provide a better and more thorough application under the deck. This depends on the size of the gap between the decking boards as well. Using a hand pump sprayer, mix 1oz of Talstar per gallon of water per 1,000 sq ft area. For mosquito control, you want to spray the perimeter of the home 3ft up and 3ft out from the side of the structure focusing on any damp areas and the underside of bushes, leaves and trees around the home (where mosquitos breed and harbor) We recommend keeping the applications of Talstar PL Granules to broadcasting over the lawn. If there is standing water in gutters, troughs, bird baths around the house, using the BTI Mosquito Dunks are a great option as well.

Answer last updated on: 09/29/2014

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