Tempo Ultra WP is a synthetic pyrethroid is safe enough to be used in restaurants for german roaches. Odorless, active on most common insects. The WP formulation is recommended for darkling beetles in chicken houses. Comes in liquid and wettable powder, contains Cyfluthrin. This is the WP (wettable powder) not the liquid. Each tub contains 420 grams of powder. Makes approx. 21-42 gallons.