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Joe from Fort Calhoun, Ne writes

Does Onslaught Fastcap's residual kill spiders (including Brown Recluse and Black Widow), or is it repellent?

Answer:

Onslaught FastCap Spider and Scorpion Insecticide is specially designed to kill spiders and will do a great job.  It is not a true repellent in that it will keep insects away, but will instead provide a long residual to continue to kill those that contact a treated surface.

Answer last updated on: 08/05/2017

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