Description Tomcat is a trusted name in mouse and rat control. Tomcat Liquid Concentrate mixes with water and is an effective liquid bait control for both rats and mice. In dry conditions or areas where there is high competition for food, liquid poison is very effective. Rats require water daily and mice will drink when it is available. The active ingredient in Tomcat Liquid Concentrate is Diphacione, an anti-coagulant.PRODUCT DETAILS:1 pouch makes 1 quart of liquid bait Each pouch contains 1.7 ounces of concentrate 8 pouches per box Active: Diphacinone.