When you’re shopping for rat poison, you might see terms like “first generation” and “second generation” on labels or in product descriptions. These terms refer to different types of anticoagulant poisons. So what is second generation rat poison, and how is it different from first generation? Second generation rat poison contains anticoagulant ingredients like brodifacoum, … Read more

You’re cleaning out your garage and you find an old box of rat poison. It’s been there for years, maybe since you moved in. Is it still good, or has it expired? What happens when rat poison expires, and is it safe to use? When rat poison expires, the active ingredient breaks down and becomes … Read more

You’ve put out rat poison and you know the rats are eating it. But what actually happens to the rat after it eats the poison? Understanding this process helps you know what to expect and whether the poison is working. So what happens when a rat eats poison? When a rat eats poison, what happens … Read more

D-Con is one of the most recognizable rat poison brands in America. For decades, it’s been a go-to choice for homeowners dealing with rat problems. But what is the active ingredient in D-Con rat poison, and what does it actually do? D-Con rat poison historically contained brodifacoum or bromadiolone, which are second-generation anticoagulants. However, as … Read more

When you’re shopping for rat poison or you find some stored in your garage, you’ll notice it comes in different colors. This might make you wonder if the color means something important. So what color is rat poison, and does the color tell you anything about what’s inside? Rat poison comes in various colors including … Read more

When you buy rat poison, it often comes in block form. These solid chunks sit in bait stations or get placed where rats travel. But what’s actually in these blocks? What is in rat poison blocks? Rat poison blocks contain an active ingredient (the poison that kills rats), plus inert ingredients like grains, wax, and … Read more

If you’ve ever looked at rat poison in the store or found some in your garage, you might have noticed it comes in different colors. Blue is one of the most common colors you’ll see. But what rat poison is blue, and why does it matter? Most blue rat poisons contain bromadiolone or brodifacoum as … Read more

When you’re dealing with a rat problem, you want results fast. Nobody wants these pests hanging around longer than they have to, and the last thing you need is a slow-acting poison that gives rats time to keep causing damage. So what rat poison kills the fastest? The fastest-acting rat poisons are zinc phosphide and … Read more

When choosing rat poison or identifying poison you found, understanding the active ingredient is critical for both effectiveness and safety. Bromethalin is one of several common rat poison chemicals, and it works very differently from the more familiar anticoagulant poisons. So what rat poison has bromethalin? Common rat poisons containing bromethalin include select Tomcat formulations, … Read more

Whether you’re using rat poison to control a pest problem or you’re worried about old poison you found in your home, understanding how long rat poison stays active is important for both effectiveness and safety. The answer affects how often you need to replace bait, how long poison remains dangerous to pets and wildlife, and … Read more