For out-of-control pest control, take a gander at our pest control concentrates. Whenever you need to take care of a big pest problem in a small space, or a small pest problem in a big space, our selection of concentrates cover bases from mildew and mold to spider mites and fungus …gnats. Concentrated solutions are an excellent way to create longevity in a pest control substance, as well as apply in bulk to large areas. HTG Supply carries an array of pest control supplies for every garden, shop now for a controller that meets your needs.