READ NEXT: The best video doorbells for your home The best rat poison to buy in 2023 1. Pest Expert Formula B+ Advanced: Best rapid-acting rat killer

Naturally, at this price, you get fewer Brodifacoum-based pellets than you do with other options found here (6x 25g), but this is enough to kill 40 rats, so one bag might just suffice. If you have a more serious infestation, you may want to consider going down the professional exterminator road instead anyway. If you want the rat-eliminating power of Brodifacoum without spending the premium on Pest Expert Formula B+, then Ratkil is a cheaper option. The key poisonous ingredient here is Bromadiolone, a powerful anticoagulant that works by stopping the rat’s blood from clotting and, unlike some rat poisons is potent enough to kill from one feed rather than several days of bait station visits. The Big Cheese range of rodent control products designed to give users options, so they can decide what suits their particular situation. The comprehensive range extends from traditional traps to the latest in sonic technology. Rodent control options available include traditional catch & kill traps, live catch, poison baits, child and pet safer alternatives and sonic deterrents. The method really is quite simple – secure your poison in the bait station and place it strategically against a wall where rat action is in evidence. It’s important not to clean the area first: rats are intelligent and naturally suspicious of changes to their environment, so a cleaned area will make them wary, not to mention the sudden appearance of bait boxes!It’s still dangerous to both people and pets, so needs to be stored away safely and securely. It’s highly toxic to aquatic life, too, so should be kept clear of ponds and disposed of in an environmentally safe manner.

While that ‘unique chocolately aroma’ sounds like it might be appealing to young children too, Roshield have added denatonium benzoate, a highly bitter substance, to deter consumption.Durable: Suitable for use indoors in loft spaces, storage spaces or attics as well as outdoors around garden sheds, outbuildings and greenhouses