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Contrac All-weather Blox Rodenticide is a multi-edged, single-feeding Rat and Mouse bait. It is formulated with an optimal blend of food-grade ingredients and low wax to yield a highly palatable, weatherable bait that is very attractive to rodents. Secondary poisoning is very minimal with Contrac as an antidote to the poison (vitamin K1) is readily available. We recommend placing the blox in tamper-resistant mouse bait stations or rat bait stations to protect the bait from non-target animals such as dogs and cats.
Note: Due to California state restrictions, this product cannot be sold to California residents.
Product Documents
| Active Ingredient | Bromadiolone 0.005% |
|---|---|
| Target pests | Norway Rats, Roof Rats, House Mice, Meadow Voles |
| For use in | Agricultural and Animal Production Facilities, Warehousing and Food Processing Plants, Commercial, Industrial, and Residential accounts |
| Application |
Anticoagulant baits are LESS toxic to non-target animals in both primary and secondary poisoning situations than other single-feeding baits An antidote, Vitamin K1 is readily available and there is a time factor for treatment Use in Tamper Resistant Bait Stations or areas inaccessible to non-target animals and children. Change bait every 40-60 days if not eaten to maintain freshness and attractability. Very cold or warm temperatures will mold or sour the bait faster |
| Yield |
Each Blox is 2 in. x 1 in. x 1 in. (28 grams) Each 4 lb. pail contains approx. 64 blox Each 18 lb. bucket contains about 288 bloxs |
| Formulation | Professional Product |
| NOT FOR SALE TO |
CA SC, VT (Restricted To Licensed Applicators Only) |
| Shelf Life |
If unopened and sealed, product will last 2-3 years if kept away from extreme temperatures Once opened, should last a year in normal conditions |
| Coverage Area | All bait placements must be inside or within 50 feet of buildings. |
| Color | Blue |
| Special Features | Multiple edges appeal to a rodent's desire to gnaw, are made with food-grade ingredients and small amounts of paraffin for a highly palatable bait, holds up well, particularly in adverse or moist conditions, superior rodent acceptance and control including control of Warfarin-resistant rats, LESS toxic to non-target animals in both primary and secondary poisoning situations |
| Time to Kill | Single feed, 1-5 days |
| Shipping Weight | 19.14 lbs |
| Manufacturer | Bell Labs (Mfg. Number: CB4047) |
| EPA Registration | 12455-79 |
DESCRIPTION:
Contrac All-weather Blox Rodenticide is a multi-edged, single feeding Rat and Mouse bait. It is formulated with an optimal blend of food grade ingredients and low wax to yield a highly palatable, weatherable bait that is very attractive to rodents. Contrac All-weather Blox contains Bromadiolone, which is less toxic to non-target animals in primary and secondary poisoning.
USE:
Baits are small 1 oz. size and can be placed in bait stations, in holes and burrows, or where mice and rats tend to travel. A hole in the center of each block allows it to be placed on bait securing rods in tamper resistant mouse bait stations or rat bait stations, or nail or wire it in place.
Ready-to-use CONTRAC BLOX bait pieces feature a patented multi-edge design that gives rodents plenty of gnawing edges per piece. The 1-oz. bait pieces fit easily into burrows, bait stations and tight baiting places. A hole through the center lets you wire/hang the bait, or place on bait securing rods for added security.
It is colored blue and authorized by USDA for use in federally inspected meat and poultry plants.
Do not place bait in areas where there is a possibility of contaminating food or surfaces that come in direct contact with food. Do not broadcast bait.
SELECTION OF TREATMENT AREAS:
Determine areas where rats or mice will most likely find and consume the bait. Generally, these areas are along walls, by gnawed openings, in or beside burrows, in corners and concealed places, between floors and walls, or in locations where rodents or their signs have been seen. Remove as much alternative food as possible.
Norway rats and house mice may consume a lethal dose in one feeding with first dead rodents appearing four to five days after treatment begins.
DIRECTIONS FOR USE
APPLICATION DIRECTIONS:
Each bait block in this container weighs approximately one ounce.
Mice like it. But...
By Robert on 02/24/2009
I live in a row-house and have an on and off again love-hate relationship with mice. They love me. I hate them. I put these Contrac Blox in my detached garage and almost every morning they are nibbled at (there is a field behind the garages). They eat it but is it true that if the bait goes stale you have to throw it out? Does it become ineffective? How long? Is there an expiration date on the pail? I would hate to buy the 18 lb size and then have to throw most of it out. Help?
Expert response:
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206 of 219 people found this review helpful
This stuff is the best!
By Denis on 05/12/2010
Verified Purchase
Living in a restaurant filled neighborhood in DC with unkempt neighbors on both sides of our house led to our backyard becoming a rat highway. It got so bad that we would have 6 or 7 running across every 5 mins. all night - and they were getting closer and closer to the house. We looked at all kinds of new fencing options only to realize it wouldn't have made a difference since they'd probably just burrow underneath it. We bought this and in less than 1 week's time, we have abolished every rat! We only had one meet his maker in the yard that we had to dispose of, the other hundred or so wandered off to die. It's been close a month now and we still have not seen one. This stuff is BAD A@!.
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158 of 163 people found this review helpful
The "TRUTH"
By Tarik on 03/13/2010
Verified Purchase
This stuff is the truth. I've tried the Rex traps and other traps but those other methods just didn't get the job done. I live in a duplex with joining garages and my neighbor had dog food which attracted the rats. They were multiplying faster than I could trap them. I bought Contrac and placed them in stacks of three around my garage also stacked six of them where the garages joined. The next day the six were gone. I replaced the six with six more, they disappeared. Within five days not a sign of rats or droppings. I didn't even have to dispose of the dead rats. This is a winner!!!!!!!!!!!!!!
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98 of 100 people found this review helpful
Mice are gone!
By Tom on 08/23/2005
We were getting rundown with field mice from the lot next to our home. Traps were not getting the job done. After 2 weeks using Contrac Blox Rodenticide the mice were gone....Thanx
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82 of 84 people found this review helpful
Best I have seen
By Harold on 11/09/2006
This is the best I have seen. I had a bucket of Contrac Blox rodenticide sitting in the barn and the rats ate a hole in the top of the bucket.
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72 of 77 people found this review helpful
I live in a mobile home and I purchased Contrac Blox and scattered it under my home. What happens to the mice after they eat it? How long does it take for them to die? Do they need water for this product to work?
Contrac Blox is an anti-coagulant which means once the mice eat this product they begin to bleed to death from the inside. The mice first become sick, and then grow tired and weak and pass in their sleep. It can take anywhere from a few hours to a few days depending on how much the mice have eaten. They do not need water for the product to work.
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155 of 166 people found this answer helpful
Does the product fade in time due to opening and closing lid to use product? How effective is this product compared to the individual contract pellet packets?
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33 of 37 people found this answer helpful
I have mice in my house and was wondering which poison is better, Final Blox or Contrac Blox for me? I was reading the info on both and do not really know what the difference is, since they both claim to be the best, which confuses me since they are made by the same company. So my question is which one is best for mice in a house that has two dogs? The bait stations will be placed in areas of the house that the dogs can not get to (attic/basement).
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78 of 91 people found this answer helpful
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4 of 4 people found this answer helpful
I'm in Utah, and I'm using the Protecta bait stations (that look like rocks) with Contrac Blox inside. The daytime temperatures have been as high as 100 Fahrenheit, probably much higher inside the stations. Will this affect the toxicity and/or taste appeal to rats? Very little has been nibbled on, although each nibble seems to have produced a dead rat in the yard. We still have lots of rats which we see every evening/morning. Has the bait lost it's taste appeal after sitting in the bait stations in the hot sun for only 1 or 2 days? It appears that some of the bait has melted just slightly. Should I replace this melted bait, or any bait left in the hot sun for just a few days?
The Contrac Blox should not spoil from the heat, though as you have noticed it will start to melt if it gets too hot. We recommend that you replace the bait if it starts to mold or if insects have started to infest it. Rats are notoriously cautious and suspicious of new food items and some can take several weeks, even months before they will accept it. Are other food sources available to the rats? Try to eliminate alternate food sources if at all possible, rats will continue to feed from the "tried and true" food sources that they have used in the past. You also need to be sure that you have offered enough bait stations to accommodate the rat population on your property as rats can also be territorial.
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6 of 7 people found this answer helpful
I ordered a bucket of Contrac blox along with three tamper proof bait stations. I placed 12 blocks in each station, and I threw some extra blocks down the holes they were burrowing in. I put peanut butter in one of the bait stations on the blocks. I opened up all three boxes a week later, and none of the bloxs were touched. Yet, they tried to get into the bucket of left overs I had. They are going into the bait stations, but they are not eating, why is that?
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29 of 37 people found this answer helpful
I have Contrac Blox throughout our house due to mice moving in with the cold weather. The first night a number of them disappeared - even from places I didn't think there were mice. Also, some were nibbled on and we trapped one mouse. How do I know if the bait worked or if they're no longer there? I don't know where the mice took the bait and there is no evidence of mice in the area except for the missing blox? Do I keep replacing the bait bloxs until they stop disappearing? Thanks
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7 of 10 people found this answer helpful
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36 of 40 people found this answer helpful
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4 of 6 people found this answer helpful
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2 of 10 people found this answer helpful
I found an active pack rat infestation next to our property in Arizona. What is your suggestion with regard to the most efficient method to get rid of them? I already have the Protecta Baiting station that I use with a T Rex Trapper. I would rather not kill them individually with a trap. Is there a poison that would do the trick?
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22 of 31 people found this answer helpful
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107 of 117 people found this answer helpful
Contrac All-Weather Blox Rodenticide
Rating: 4.6 (293 Reviews / 141 Q&A)
