When is the use of an agitator required during spraying?

An agitator is required during spraying when using a wettable powder because this formulation consists of finely ground solids that must remain suspended in the liquid to ensure uniform distribution of the pesticide. Without proper agitation, the wettable powder can settle at the bottom of the spray tank, leading to inconsistent application rates and potentially reducing the effectiveness of the product. Proper mixing is crucial for achieving the desired concentration of active ingredients in the spray solution, thus maximizing the pest control efficacy.

In contrast, while liquid concentrates don’t typically require agitation in the same way, they generally mix more easily with water. Granular formulations, on the other hand, are not usually applied via spraying but are more often spread using different application methods that do not necessitate an agitator. A diaphragm pump can be used with various formulations and may not specifically require an agitator, depending on the application method and the type of product being used. Therefore, the nature of wettable powders particularly highlights the need for agitation to maintain homogeneity in the spray mixture.