Contrac All-Weather Blox Rodenticide Help - Questions and Answers

Contrac All-Weather Blox Rodenticide

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Contrac All-Weather Blox Rodenticide

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Asked by Tracy from Cornish Flat, New Hampshire

12/27/2016

Q

Will Contrac Blox bait fit triangle stations?

A

We apologize, but the term "triangle stations" is a little vague. We can tell you that the Contrac Blox are a standard size and will fit into most rodent bait stations, including triangle-shaped stations like the Protecta RTU Mouse Bait Station.

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Asked by Rob from Everett, Wa

01/12/2017

Q

If Contrac Blox have been placed within the root drip zone of pear and other fruit trees, is the fruit from these trees still safe for human consumption?

A

If the Contrac Blox have been used properly within bait stations, then there should be no concern about the bait contaminating any edibles. The anti-coagulant active ingredient in Contrac is not absorbed systemically into plants.

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Asked by James from Fresno, Ca

05/26/2017

Q

Are Contrac Blox Rodenticide effective for controlling voles?

A

Contrac Blox Rodenticide are not labeled for voles. We recommend Kaput Rat and Mouse Bait which are labeled to treat for Voles.

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Asked by Robert from South Elgin, Il

12/19/2017

Q

How many deer mice will one block of Contrac kill? I.e. 5-10 , 20-30?

A

? The number of rodents that 1 block will treat is undeterminable. Place 3 to 16 Contrac Blox (usually at intervals of 15 to 30 feet) per placement. Maintain an uninterrupted supply of fresh bait for at least 10 days or until signs of rat activity cease. Replace contaminated or spoiled bait imme…
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? The number of rodents that 1 block will treat is undeterminable. Place 3 to 16 Contrac Blox (usually at intervals of 15 to 30 feet) per placement. Maintain an uninterrupted supply of fresh bait for at least 10 days or until signs of rat activity cease. Replace contaminated or spoiled bait immediately. Collect and dispose of all dead animals and leftover bait properly. 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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Asked by Nicole

01/25/2018

Q

Once consumed, will the poison in Contrac be expelled in urine and/or feces?

A

Bromadiolone, the active ingredient in Contrac, accumulates in the liver to inhibit and steadily decrease Vitamin K levels in the blood. This prevents the blood from being able to clot and will eventually lead to death. So the majority of the active is absorbed by the blood stream, and although very…
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Bromadiolone, the active ingredient in Contrac, accumulates in the liver to inhibit and steadily decrease Vitamin K levels in the blood. This prevents the blood from being able to clot and will eventually lead to death. So the majority of the active is absorbed by the blood stream, and although very small trace amounts could potentially be found in the feces, it wouldn't be consistent. There will definitely be some of the waxy substance and the dye in it, but it wouldn't be enough to cause damage or be of any concern.

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Asked by Nicole

01/25/2018

Q

Is there a minimum distance the Contrac Blox must be placed outside of a food storage or processing area?

A

Per the Contrac All Weather Blox product label: "This product must be used in and within 100 feet of man-made structures constructed in a manner so as to be vulnerable to commensal rodent invasions and/or to harboring or attracting rodent infestations. Examples of such structures include homes an…
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Per the Contrac All Weather Blox product label: "This product must be used in and within 100 feet of man-made structures constructed in a manner so as to be vulnerable to commensal rodent invasions and/or to harboring or attracting rodent infestations. Examples of such structures include homes and other permanent or temporary residences, food processing facilities, industrial and commercial buildings, trash receptacles, agricultural and public buildings, transport vehicles (ships, trains, aircraft), docks and port or terminal buildings and related structures around and associated with these sites. Fence and perimeter baiting, beyond 100 feet from a structure as defined above, is prohibited." Also, keep in mind that rodenticides like Contrac must always be used in appropriate bait stations and cannot be thrown loosely in the open.

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Asked by Greg from Zirconia, Nc

05/16/2018

Q

Will Contrac All Weather Blox attract flying squirrels to come into the attic?
Two mouse bait plastic stations containing Contrac All Weather Blox were placed in the attic. The stations were chewed by Flying Squirrels apparently to get to the Contrac All Weather Blox. Is attic use of this product advisable, acceptable, or recommended? Is attic use improper? This apparently caused a flying squirrel infestation.

A

Since squirrels are in the same family as rats/mice, it is possible the bait matrix in the Contrac All-Weather Blox Rodenticide could be attractive to flying squirrels also. While rodenticides can be used indoors for rodent control, we typically do not recommend baiting for rodents indoors as the b…
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Since squirrels are in the same family as rats/mice, it is possible the bait matrix in the Contrac All-Weather Blox Rodenticide could be attractive to flying squirrels also. While rodenticides can be used indoors for rodent control, we typically do not recommend baiting for rodents indoors as the bait can draw insects and can also keep drawing the rodents into the home. We would recommend using the Contrac Blox in the tamper resistant bait stations outside the home around the structure. Inside the home, you can use Detour Rodent Repellent to make the attic less appealing to rodents and squirrels and use Rodent Snap Traps or Glue Boards to catch unwanted guests in your attic. If you know where the squirrels are entering you can use an Tomahawk One Way Door Excluder where they are entering the attic. This will allow the squirrells to exit through the hole, but not get back in. Exclusion Methods with Copper Mesh or Xcluder Wire are great ways to seal up holes to keep mice, rats and squirrels out.

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Asked by Christine from Memphis Tn

09/25/2018

Q

Do you have to put Contrac All-Weather Blox Rodenticide in bait station?

A

Yes, by law, Contrac Blox Rodenticide must be applied inside of tamper-resistant bait stations.

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Asked by Mark from Plano, Tx

10/13/2018

Q

Does DoMyOwn sell the vitamin K1 antidote for Contrac, Final, etc. to have on hand?

A

Unfortunately, we do not sell vitamin K1. It is readily available from any vet.

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Asked by Nicola from Lincolshire

11/09/2018

Q

If Contrac All-Weather Blox Rodenticide is put outside with no cover, how long is it still poisonous or will it dissolve in weather?
My neighbor put some in my yard without my knowledge about 3 weeks ago not sure if dog has eaten some.

A

Contrac All-Weather Blox Rodenticide should never be placed outside of a tamper resistant, locking bait station. Additionally, the bait stations should be within 50 feet of a structure.  It is made with food grade additives and will be highly attractive to unintended wildlife and pets. If you…
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Contrac All-Weather Blox Rodenticide should never be placed outside of a tamper resistant, locking bait station. Additionally, the bait stations should be within 50 feet of a structure.  It is made with food grade additives and will be highly attractive to unintended wildlife and pets. If you find bait blocks loose on your property, you should dispose of them. They contain waxes and additives to help the bait stay fresh for a longer period of time, so it’s possible it may withstand elements of weather for a length of time. If you are concerned your dog may have eaten some, we recommend you contact your vet ASAP, as there is an antidote available that can be given soon after ingestion that can reverse the effects of the Contrac.

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Asked by Barbara from Fl

11/17/2018

Q

I have rats on my bird feeders. Is it okay to put Contrac out around the bird feeder at night and take it away during the day?
Would it be safe to put this on the bird feeder we find the rats on at night? Rarely have birds feed at night. Will it kill birds? Also will they then crawl into our attic and die? We have sealed every possible hole (except for the one they use to get into the attic) and have killed several up there with traps. Haven't caught the first one in boxes outside.

A

Contrac All-Weather Blox Rodenticide must be used in tamper resistance baits stations by law when used outside so it cannot be just placed out at night in the open around a bird feeder. The best thing to do with birds is to stop feeding them and use the bait in stations until the rodents are u…
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Contrac All-Weather Blox Rodenticide must be used in tamper resistance baits stations by law when used outside so it cannot be just placed out at night in the open around a bird feeder. The best thing to do with birds is to stop feeding them and use the bait in stations until the rodents are under control, otherwise you are providing a food source that they are more familar with which makes them less likely to go for the bait. After rodents consume the bait they are going to die wherever they die. To prevent this happening inside you should seal up all cracks and crevices that allow them access inside. We have some guides below that can help as well: https://www.domyown.com/how-to-get-rid-of-rats-a-525.html
https://www.domyown.com/rat-prevention-guide-a-526.html

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Asked by Corinne from Columbus, Nc

11/22/2018

Q

If you suspect pieces of Contrac Blox could be in the grass, how long until safe? Does it need to rain on the area?

A

If there are pieces of Contrac All-Weather Blox Rodenticide in the grass, these should be picked up and removed immediately. The only way to be sure the area is safe to remove the pieces. To prevent pieces being removed from stations that hold the bait is to check them frequently and remove an…
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If there are pieces of Contrac All-Weather Blox Rodenticide in the grass, these should be picked up and removed immediately. The only way to be sure the area is safe to remove the pieces. To prevent pieces being removed from stations that hold the bait is to check them frequently and remove any broken or small pieces to keep rodents from carrying them off and leaving where non target animals/people can come across them.

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Asked by Melissa from Saltillo Ms

12/10/2018

Q

Will Contrac All-Weather Blox Rodenticide kill opposums? Can you put the blocks outside without bait stations?

A

Contrac All-Weather Blox Rodenticide is not labeled for opossums. In fact, there are no baits on the market that are made for opossums. In most cases, you will have to trap the opossum using a cage trap. Local ordinances in your community will dictate how to dispose of the trapped animal. You can …
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Contrac All-Weather Blox Rodenticide is not labeled for opossums. In fact, there are no baits on the market that are made for opossums. In most cases, you will have to trap the opossum using a cage trap. Local ordinances in your community will dictate how to dispose of the trapped animal. You can learn more about opossum control by reading our article Opossum Control. By law, all rodenticide baits including Contrac must be applied in tamper-resistant bait stations.

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Asked by Jason from Rosenberg

01/07/2019

Q

What's the maximum distance Contrac All-Weather Blox Rodenticide can be placed from a man made structure?

A

The Contrac All-Weather Blox Rodenticide label states the following: This product must be used in and within 100 feet of man-made structures constructed in a manner so as to be vulnerable to commensal rodent invasions and/or to harboring or attracting rodent infestations

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Asked by Catrekker from Orange County, Ca

05/06/2019

Q

Contrac Blox cannot be shipped to California, so what's the next best thing?

A

Fastrac Blox can ship to California. Please keep in mind there is no antidote available for non-targeted animals like there was with the Contrac All-Weather Blox Rodenticide.

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Asked by Brad from Tx

06/16/2019

Q

Will Contrac All-Weather Blox Rodenticide kill coyotes?

A

Contrac All-Weather Blox Rodenticide is not labeled for coyotes. We do offer coyote traps.

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Asked by N from Vancouver, Bc

12/04/2019

Q

Is it unsafe for my family to have Contrac Blox in the air vents?
We have seen the rat with a camera and hear it regularly in different vents. We had the poison in boxes outside but it wasn't touched. I am concerned the poison may be inhaled by my family.

A

You should not put Contrac Blox or any other pesticides inside air vents or other similar systems within your home. Rodenticides must be secured in bait stations or otherwise in areas that are inaccessible to people, pets, and non-target animals. If rodenticide is not secured, then the rodents can h…
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You should not put Contrac Blox or any other pesticides inside air vents or other similar systems within your home. Rodenticides must be secured in bait stations or otherwise in areas that are inaccessible to people, pets, and non-target animals. If rodenticide is not secured, then the rodents can hoard the bait and may move it to a location where it becomes accessible to non-target animals. We recommend using traps for rats that may be indoors. We have more tips on how to eliminate rats from your home in this guide.

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Asked by James from Dover, De

12/14/2020

Q

Can you use Contrac Blox and First Strike together in the same rodent station?

A

While there should be no issue using the Contrac All-Weather Blox Rodenticide and First Strike in the same station (meaning they won't interact with each other), it would be better to use one at a time and rotate between them every 4-6 months instead to prevent resistance buildup to either.

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Asked by Angel from Ga

04/23/2021

Q

Will Contrac All-Weather Blox Rodenticide work on opossums?

A

Contrac All-Weather Blox Rodenticide is only labeled for Norway Rats, Roof Rats, House Mice, Meadow Voles. It is not labeled for opossums. Please look at our Opossum Control Page for options on trapping.

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Asked by Teresa from Santa Maria, Ca

06/29/2021

Q

Recommendation for living nextdoor to a chicken coop.
Your bait is fantastic rats love it. I'm in CA so a friend gave me some blox. My neighbors have 27 chickens, food and water containers placed in the open sporadically. I have had rats for about 1 month in my backyard shed, also under the deck, under the house, and now in the garage on the other side of the house. I used traps and have caught about 15 rats, mostly small ones. But now that the neighbor found a nest under a pallet, they scattered, mostly to my house. There are to many for traps. HELP!

A

We cannot ship Contrac All-Weather Blox Rodenticide to California but Ditrac is an alternative that can be used.

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