Langbeinite is a mineral that contains potassium (K), magnesium (Mg) and sulfur (S), three of the essential nutrients that plants need to achieve optimal growth and reach their full potential. Here, in a balanced ratio and highly available water soluble sulfate form, we offer a high performance solution grade powder that growers can apply with confidence. Designed for efficient delivery and immediate absorption, this 200 mesh powder can be used in reservoirs, fertigation, drip irrigation, or sprinkler applications.