Green Way® Liquid Ant & Roach Killer - Refill (commercial) quart bottles contain 1% DOT as the active ingredient. It is specially formulated to retard the development of mold and allow dilution to .5%. The ability to dilute with any food grade diluent helps optimize its cost effectiveness and significantly increases the potential for palatability to a wide variety of ant species. DOT works slowly enough that the active ingredient can make its way all the way to the queen, so that you can get true colony elimination. Our ‘Honeydew Formula’ is scientifically formulated to mimic the ant food produced in nature by aphids and scales.