Contrac All-Weather Blox


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Get rid of rats and mice! Contrac All-Weather Blox has long been the standard in rodent control for pest controllers!  Rats and mice don’t stand a chance.  Rats and mice love the optimal blend of food-grade ingredients.  Contrac All-Weather Blox have stood the test of time.

Product Features:

  • Palatable, yet weatherable, CONTRAC works well in wet and dry conditions.
  • Multiple edges that appeal to a rodent’s desire to gnaw.
  • Bait shyness is not a problem with CONTRAC because mortality occurs a few days after bait is consumed.
  • The antidote, Vitamin K1, is readily available.
  • Easy to use.


18 lb. Pail

This Product Does Not Ship To: CA


Product Alternatives: Nectus 2G Rodenticide Soft Bait
Active Ingredient: Bromadiolone – .0.005%
General Instructions:

Bait stations are mandatory for outdoor, above-ground use. Tamper-resistant bait stations must be used wherever children, pets, non-target mammals, or birds may have access to the bait placement location.


Determine areas where rats, mice, or meadow voles* will most likely find and consume the bait. Generally, these areas are along walls, by gnawed openings, in corners and concealed places, between floors and walls, or in locations where rats, mice, or meadow voles*, or their signs have been seen. Protect bait from rain and snow. Remove as much alternative food as possible.

Directions For Use:


Place 3 to 16 blocks (at intervals of 15 to 30 feet) per placement in infested areas. Maintain an uninterrupted supply of fresh bait for at least 10 days or until signs of rat activity cease.


Place 1 block per placement. Space placements at 8- to 12-foot intervals in infested areas. Two blocks may be needed at points of very high activity. Maintain an uninterrupted supply of
fresh bait for at least 15 days or until signs of mouse or meadow vole* activity cease.


Replace contaminated or spoiled bait immediately. Wearing gloves, collect and dispose of all dead, exposed animals and leftover bait. To prevent reinfestation, limit sources of rodent food, water, and harborage as much as possible. If reinfestation does occur, repeat treatment. Where a continuous source of infestation is present, establish permanent bait stations and replenish as needed.

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