Some active ingredients are insoluble solids. These may be formulated as flowables in which the finely ground active ingredients are mixed with a liquid, along with inert ingredients, to form a suspension. Flowables are mixed with water for application and are similar to EC or wettable powder formulations in ease of handling and use. Seldom clog nozzles, Easy to handle and apply. These formulations contain one or more active ingredients and a solvent.
Most aerosols contain a low percentage of active ingredient.
The size of individual dust particles is variable. Dusts are always used dry, and they easily drift into nontarget sites. Easily drift off target during application, Residue easily moved off target by air movement or water, May irritate eyes, nose, throat, and skin, Do not stick to surfaces as well as liquids, Difficult to get an even distribution of particles on surfaces. A bait formulation is an active ingredient mixed with food or another attractive substance. The bait either attracts the pests or is placed where the pests will find it.