Tomcat Blox Green 1.8 Kg 25 Best Board Games for Everyone in 2020 ClassyWish. TOMCAT All Weather BLOX Kills Rodents in a Single Feeding TOMCAT All Weather BLOX is a single feeding anticoagulant rodenticide containing the active ingredient, Bromadiolone. It is an excellent clean out and maintenance bait to control mice and rats, including warfarin resistant Norway rats. TOMCAT BLOX is specially formulated with an optimal blend of food grade ingredients and a small amount of paraffin. The result is a highly palatable, yet weatherable, bait that works well in wet and dry conditions. Bait acceptance with TOMCAT is superior due to its highly palatable formulation. Plus, manufactured with Bell's extrusion process, TOMCAT BLOX has multiple edges that appeal to a rodent's desire to gnaw. Rodents can consume a lethal dose in just one feeding. Bait shyness is not a problem with TOMCAT because mortality occurs a few days after bait is consumed. The antidote, Vitamin K1 is available for treatment. For ease of use, the pre measured 28g BLOX has a hole in the center which lets technicians place it on bait securing rods in tamper resistant bait stations. It can also be nailed or wired to rafters and ceilings or placed in tight locations.