10 bestRat Killersof September 2025
112M consumers helped this year.
37% off
1
ROSHIELD- Rat/Mouse Poisoning,Poison Blocks 300g, Super Strength, Single-Feed Fast Acting Rat & Mouse Killer, Rat Poison Block Bait - Indoor,Outdoor For Rodent Bait Station Refill Packs…
Roshield
9.9
25% off
2
The Big Cheese All-Weather Block Bait - 10g x 30 Kills Mice and Rats Damp-Proof, Weather-Resistant, Blue Difenacoum
The Big Cheese
9.8
3
The Big Cheese Rat & Mouse Killer Grain Bait Sachet - 25g x 6 Kills Mice Pre-Measured Chew Through Sachet Difenacoum, Blue
The Big Cheese
9.6
4
Pest Expert Advanced Rat & Mouse Poisoning Bait Blocks (1.2kg) Strongest Super Strength Rat Poison, Fast-Acting Single Feed Rodent Killer (4 x 300g - 60 Bait Blocks)
Pest Expert
9.4
10% off
5
Pest Expert Rat Killer Poison 1.5kg - Formula 'B+' Advanced (15 x 100g) - Fast Acting Maximum Super Strength Single Feed Brodifacoum
Pest Expert
9.1
OtherUp to 22% off
Roshield 60 Mouse Mice Rat Pasta Bait Killer Poison Control Sachet Kit- Fast Acting for Home & Garden Treatment (4 x 150g Pack)
Deadfast 20300395 Rat Killer Plus, Ready To Use Pre-Baited with Poison Block Bait Station, Black
ROSHIELD Brodifacoum 600g (30x20) Maximum Strength Rat Poisoning, Mouse Poisoning, Single-Feed Fast Acting Rat & Mouse Killer, Rat Poison Block Bait Poison, Indoor/Outdoor Bait Station Refill Packs
Rat & Mouse Poison Bait Blocks Max Strength Single-Feed Rodent Killer – Fast-Acting All-Weather Blocks Brodifacoum 0.0025% Indoor & Outdoor Use Mouse Killer Must Be Used in a Bait Station 300g
7% off
6
Pest Expert Formula ‘B+’ Advanced Rat & Mouse Killer Poison 900g (15 x 60g) Strongest Single Feed Brodifacoum, Fast Acting Poisoning Control
Pest Expert
8.8
15% off
7
ROSHIELD 4 x Rat Traps - Professional Quality & Heavy Duty Pest Control Traps for Instant Kill - Large Reusable & Easy Set Rodent Solution
Roshield
8.6
19% off
8
Roshield 600g Wax Block Bait for Rat & Mouse Killer Poison Control - Indoor, Outdoor All-Weather Rodent Bait Station Refill Packs (300g x 2 Packs)
Roshield
8.3
9
Pest Expert Formula 'B+' Advanced Rat Poison Grain Bait 1kg (10 x 100g) - Fast Acting Rodent Killer, Single Feed Max Strength Rat Poisoning, Brodifacoum
Pest Expert
8.0
10
Pest X Pro Venom – 2X Pre-Baited Rat Bait Station, Professional Grade, Rat Poisoning Super Strength For Indoor & Outdoor Infestations, Ready-To-Use, Safe & Effective Rat Traps
Pest-X Pro
7.8
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A Guide to Selecting the Best Rat Killers
Choosing the right rat killer is crucial for effectively managing a rodent problem while ensuring safety for humans and pets. The key is to understand the different types of rat killers available and how they work, as well as considering the environment in which they will be used. It's important to balance effectiveness with safety and environmental impact. Always follow the manufacturer's instructions and local regulations when using any pest control product.
Type of Rat Killer
Rat killers come in various forms, including traps, poisons, and electronic devices. Traps can be humane or lethal, and are often used when you want to avoid using chemicals. Poisons, or rodenticides, are effective but can pose risks to pets and children if not used carefully. Electronic devices use ultrasonic sound waves to repel rats and are a non-lethal option. Choose based on your specific needs: if you have pets or children, traps or electronic devices might be safer; if you need to cover a large area, poisons might be more effective.
Safety
Safety is a critical consideration when choosing a rat killer, especially if you have pets or children. Traps should be placed in areas inaccessible to non-target animals and people. Poisons should be used with extreme caution, ideally in bait stations that prevent accidental ingestion. Electronic devices are generally safe but may not be suitable for homes with certain pets like rodents. Consider your household's safety needs and choose a product that minimizes risk while effectively controlling the rat population.
Effectiveness
The effectiveness of a rat killer depends on the severity of the infestation and the environment. Traps can be very effective for small infestations or when you can identify rat pathways. Poisons are often used for larger infestations but require careful placement and monitoring. Electronic devices may take longer to show results and are best for prevention or minor issues. Assess the level of infestation and choose a method that matches the scale of your problem.
Ease of Use
Ease of use is important for ensuring that the rat killer is deployed correctly and consistently. Traps can be straightforward but require regular checking and resetting. Poisons need careful handling and placement, and you must monitor for dead rodents. Electronic devices are typically easy to set up and require minimal maintenance. Consider how much time and effort you can dedicate to managing the rat problem and choose a product that fits your lifestyle.
Environmental Impact
The environmental impact of rat killers varies. Poisons can harm non-target wildlife and contaminate the environment if not used responsibly. Traps have a lower environmental impact but can still affect non-target species if not used carefully. Electronic devices have minimal environmental impact but may not be as effective in all situations. Consider the potential environmental consequences of each option and choose one that aligns with your values and the ecological sensitivity of your area.
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