Which pesticide formulation is characterized by having a small amount of active ingredient, often 1% or less?

The correct choice is a ready-to-use (low-concentrate) solution, commonly referred to as RTU. This formulation typically contains a small percentage of active ingredient, often 1% or less, making it convenient for immediate application without the need for mixing. This low concentration is particularly beneficial for homeowners or non-professionals, as it minimizes the risk of misuse and ensures safety while still being effective for managing pests.

In contrast, other formulations like concentrates contain a higher concentration of active ingredients, which require dilution before use. Ultra low volume products are designed for specific application methods that deliver minimal volumes of pesticide for efficacy, often used in professional settings. Emulsifiable concentrates are liquid formulations that mix with water to form a solution and typically contain a higher percentage of active ingredients, which necessitates careful handling and preparation.

Understanding these different pesticide formulations is crucial for selecting the appropriate product for pest management, ensuring safety, and achieving the desired pest control results.