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Contrac All Weather Blox
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Keith's Pro Tips

"In most areas, a tamper-resistant bait station is required by law to avoid accidental poisoning of humans and unintended species. Make sure to use a station whether you bait outdoors or indoors."


Bromadiolone is a key active ingredient used in a number of special rodenticide bait products to treat for mice and rats. Unlike most rat poisons, which are slow-acting when it comes to their lethal effect, bromadiolone has the ability to kill rodents as quickly as within the span of 24 hours.

According to the National Pesticide Information Center, there are over 130 registered products in the US which contain Bromadiolone. Solutions Pest & Lawn is proud to carry products containing this powerful active ingredient. On this page, you can learn more about this chemical and why it works so effectively to kill even the toughest rodent infestations as well as shop the Bromadiolone contained products we have in our inventory.

What is Bromadiolone?

Bromadiolone is a potent anticoagulant rodenticide that is used in a number of rodenticide products on the pest control market. Bromadiolone is typically used to control rats and mice and comes in a variety of different formulations including baits blocks, pellets, tracking powders, concentrates, and dusts.

Initially registered in the United States in 1980, Bromadiolone is an odorless powder that is white to yellow in color. Bromadiolone has been called a "super-Wayfarin" because it can eliminate rodents who are resistant to other rodenticide baits. 

How Does Bromadiolone Work?

Mode of Action

Bromadiolone is a second-generation anticoagulant that has a mode of action that prevents the clotting of blood by decreasing Vitamin K levels in the blood. By preventing the body from recycling vitamin K which is needed to clot blood, once an infected rodent runs out of vitamin K they ultimately die by bleeding to death internally.

Benefits of Bromadiolone

Unlike other rodenticide active ingredients that require the rodent to feed on the bait more than once to succumb to the effects, Briomadiolone can kill rodents in a single feeding.

Bromadiolone can successfully be used to control stubborn rodent infestations such as Norway rats, roof rats, mice, field rodents, opossums, and raccoons. It can be applied inside and outside of industrial buildings and homes, in outdoor alleys, port terminals, sewers, farmhouses, grain stores, factories, fields, and transport vehicles such as trains, ships, and aircraft.

Drawbacks of Bromadiolone

Some rodenticide baits containing Briomadiolone can be ineffective if not formulated with a good enough attractant because of its own it would taste bad to a rodent. Make sure to aid the bait in being more palatable by placing peanut butter on the bait or purchase a rodenticide variation of Bromadiolone that has a flavor the rodents enjoy.

Is Bromadiolone Safe?

Bromadiolone is safe to use with the proper safety precautions put into place. We highly recommend when applying bromadiolone based rodenticide baits to the area to use a tamper-resistant bait station which we also sell. Bromadiolone is highly toxic to humans, pets, and other wildlife including fish and birds. Products that contain this active ingredient should be handled carefully and as directed.

Bromadiolone has a long shelf life, causing it to remain active for several months. Bromadiolone should be kept away from children and pets. Gloves should be worn during treatment, make sure to wash hands after handling the bait and avoid all contact with the mouth. Do not allow the bait to contaminate food or water supplies. In case of accidental ingestion, call the Center for Poison Control and a doctor immediately. If accidentally ingested, it is required to be prolonged treatment with Vitamin K1 is required to recover from poisonings.

What To Expect

Bromadiolone bait

Once Bromadiolone is ingested, Bromadiolone absorbs into the liver and interferes with the synthesis of vitamin K-dependent clotting factors. Eventually, the blood ceases to clot and permeates the artery walls. The rodent dies of multiple causes related to blood loss. Vitamin K1 works as an antidote for accidental ingestion, and prolonged treatment is required because it has a long half-life (up to several months). Bromadiolone eliminates rats in a matter of days.

Featured Products

Contrac Blox Rat Mouse Poison Bait - Contrac Blox is a rodenticide bait commonly used in bait stations. The rodenticide blocks are used to control various types of rats and mice. Contrac Blox fit different types of bait stations and provide results within 2 to 4 days.

Contrac Rodent Bait with Lumitrack - Contrac Rodent Bait is a soft textured bait that is palatable to rats and mice. Contains bromadiolone, a second generation anticoagulant that provides a lethal dose of poisoning in just one feed.

Contrac Pellet Place Pacs Rodent Bait - Contrac Pellet Place Pacs are pre-made and used to eliminate various types of rodents. Each place pac contains pellets formulated with bromadiolone to control rats, mice, and more. Targeted pests that eat the bait die within a just a few days

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    Contrac All Weather Bait Blox
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