Bromethalin-based baits like FASTRAC are the fastest-killing rat bait options available, capable of killing rats in as little as 24 hours after a single feeding due to bromethalin's acute neurotoxic mechanism.
Bromethalin is a single-dose, acute-action rodenticide — it attacks the nervous system, not the digestive system, which is why it works so fast. By contrast, anticoagulants like brodifacoum typically take 4–7 days, and naturally derived baits like RatX take 3–5 days through a dehydration mechanism. Speed comes at a cost: bromethalin and anticoagulant baits both carry secondary kill risk to pets, barn cats, and raptors that eat poisoned rodents.
- FASTRAC Blox (bromethalin) can kill rats in as little as 24 hours after a single feeding.
- Anticoagulant rodenticides (brodifacoum, bromadiolone) require 4–7 days to kill rats after consumption.
- RatX kills rats in 3–5 days via dehydration — no conventional poison, no secondary kill risk.
- Bromethalin is an acute, single-dose bait; RatX and anticoagulants are multi-feed baits requiring repeated consumption.
- Secondary poisoning risk: bromethalin and anticoagulants accumulate in rodent tissue; RatX corn gluten and sodium chloride do not.