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Wettable Powders (WP)

Wettable Powders (WP) – These are powders that have been formulated to be mixed with water which allows them to be sprayed onto surfaces and into cracks, crevices and voids.  They need to be agitated or shaken frequently to remain uniformly mixed.  They can leave a visible residue, especially on darker surfaces which may become unsightly.  Dark plastic baseboards commonly found in commercial buildings will show these residues quickly.  Wettable powders are a great choice for applications on porous surfaces such as concrete and unfinished wood where the water soaks into the material, but the powder remains on the surface to be picked up by the pests.  Wettable powders can clog spray equipment easily and frequently if they are not agitated properly, or the equipment does not have the proper filters to handle wettable powders.  Please read and follow all pesticide labeling.