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BELL LABS

Fastrac Blox Poison Bait

Fastrac Blox is a rodenticide bait block used to eliminate rats and mice. The active ingredient, bromethalin, attacks the rodent's nervous system, causing them to die as soon as 48 hours. A lethal dose of Fastrac Blox can be consumed within the first feeding.

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Fastrac Blox Product Page
Min : 65 - Max : 65
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Price as of
09/24/25
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Fastrac Blox, manufactured by Bell Laboratories, is a weather-proof and moisture-proof rodenticide block formulated with bromethalin to kill rats and mice. The bait blocks are effective for use indoors and outdoors to control Norway rats, roof rats, and house mice.

Fastrac Blox is strong enough to provide a lethal dose in one feeding. Each Fastrac block has multiple edges to entice rodents to chew on the bait.

Fastrac Blox is a great product to have when combating severe infestations. The active ingredient, bromethalin, provides faster results with less bait than anticoagulant baits.

Tools Needed

Tamper-proof bait stations are required to apply Fastrac Blox around outdoor areas safely.

How to Use

Rodent bait station

  • Step 1: Locate areas where rats/mice travel by searching for droppings or chew marks on baseboards and walls. Remove all secondary food sources to prevent targeted rodents from refusing Fastrac Blox.
  • Step 2: For rats, place 2 to 12 Fastrac Blox bait blocks per placement at intervals of 15 to 30 feet apart. For Mile and Meadow Voles, use 1 block per placement 8 to 12 feet apart in the infested area. For areas with high mouse activity, use 2 blocks per placement.
  • Step 3: Place Fastrac Blox in tamper-proof bait stations. We recommend sitting out empty bait stations for a few days so targeted pests will become familiar with them. Place the filled bait stations along exterior walls or fence lines with the holes closest to the structure.
  • Step 4:  After one or two days, inspect the stations and replenish the bait until rodent activity has stopped. Keep the areas clean, but do not wash the station until the eradication process is completed. Using gloves, collect and properly dispose of all dead, exposed animals and leftover bait.

Where to Use

Fastrac Blox can be placed outdoors with a bait station or indoors in infested areas. The bait stations filled with the bait blocks can be placed along walls around the outside perimeter of grocery stores, barnyards, homes, hotels, restaurants, and along fence lines. Fastrac Blox can be used indoors and placed within walls, under sinks, attics, and other areas where pets or children cannot access the bait.

When to Use

Fastrac Blox is ideal to use when rat or mouse activity is suspected. It is recommended that areas that have continuous situations that attract rodents, such as barnyards, grocery stores, or restaurants, should also have continuous control and keep bait stations filled with Fastrac Blox.

Safety Information

Fastrac Blox is safe to use around children and pets when applied according to the product label instructions. Always wear the proper personal protective equipment (PPE) when handling this product or bait station.

Do not place Fastrac Blox where children, pets, livestock, and innocent animals can gain access. 

Special Considerations

Each Fastrac Blox weighs 15 grams and has a pre-drilled hole in the center for placing on the rods inside bait stations. Tamper-proof bait stations must be used when applying Fastrac Blox anywhere outdoors.

AvailabilityOnline
Restricted UseNo
Shipping Restrictions4 Pound: AK, CT, SC
BrandBELL LABS
Keith's Pro Tips"Do not wash bait stations with soap or cleaners before the complete eradication process. When rodents smell their scent on bait stations, they are likelier to enter the station and feed on the Fastrac bait blocks."
Product DrawbacksFastrac Blox cannot be used to bait rodent burrows. When treating active burrows, we recommend using Contrac Bulk Rodent Bait Pellets and follow the instructions for baiting burrows.
Target PestsRoof rats, house mice, meadow voles, and Norway rats.
Application EquipmentBait Stations, Gloves
Application MethodsBaiting
Active IngredientBromethalin- 0.01%
Product TypeRodenticide
FormulationWax Block
Application RateFastrac Blox are ready-to-use and do not require mixing. Apply bait in locations out of reach of children, pets, domestic animals and nontarget wildlife, or in tamper-resistant bait stations.
Shelf LifeFastrac Blox will last for up to 1 to 2 years when stored according to the product label. Store Fastrac Blox out of the reach of children and pets in a cool, dry storage area.
YieldWhen controlling rats, place up to 2 to 12 Fastrac blocks per treated area, 15' to 30' feet a part. When controlling mice and meadow voles, place 1 Fastrac block per treated area, 8' to 12' feet a part.
Use SitesIndoors, Outdoors
Time to KillFastrac Blox kills targeted rodents within 2 to 4 days after the eating a lethal dose.
Comparable ProductsEratication Rodent Bait
EPA Registration #12455-95
More Information
Restricted Use No
Shipping Restrictions AK, CT, SC
Availability Online
Signal Word CAUTION
Keith's Pro Tip "Do not wash bait stations with soap or cleaners before the complete eradication process. When rodents smell their scent on bait stations, they are likelier to enter the station and feed on the Fastrac bait blocks."
Target Pests Multi Cotton Rat, Eastern Harvest Mouse, Golden Mouse, House Mice, Mexican Woodrat, Norway Rats, Polynesian Rat, Roof Rats, Southern Plains Woodrat, White-throated Woodrat, Meadow Voles
Time to Kill Fastrac Blox kills targeted rodents within 2 to 4 days after the eating a lethal dose.
Chemical Type Rodenticide
Formulation Wax Block
Application Methods Baiting
Product Drawbacks Fastrac Blox cannot be used to bait rodent burrows. When treating active burrows, we recommend using Contrac Bulk Rodent Bait Pellets and follow the instructions for baiting burrows.
Active Ingredient Bromethalin- 0.01%
Application Equipment Bait Stations, Gloves
Mix Rate Fastrac Blox are ready-to-use and do not require mixing. Apply bait in locations out of reach of children, pets, domestic animals and nontarget wildlife, or in tamper-resistant bait stations.
Use Sites Indoors, Outdoors
Yield When controlling rats, place up to 2 to 12 Fastrac blocks per treated area, 15' to 30' feet a part. When controlling mice and meadow voles, place 1 Fastrac block per treated area, 8' to 12' feet a part.
EPA Registration No. 12455-95
Shelf Life Fastrac Blox will last for up to 1 to 2 years when stored according to the product label. Store Fastrac Blox out of the reach of children and pets in a cool, dry storage area.
Comparable Products Eratication Rodent Bait
Children or pets? Yes
Property Characteristics None

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