D-Block Extreme
Controlling rats in damp or humid environments, either indoors or outdoors? Go one step further with – a version of D-Block hard block baits that are uniquely coated to extend their field life.
’s active ingredient is Diphacinone – a first-generation anticoagulant. The low risk of secondary poisoning from first-generation anticoagulants makes them a great choice for farm situations and the environmentally conscious.
Use in bait stations for rats like our Run Through, Zig Zag, and Tunnel stations.
For more options, see our range of rodent control products. Active ingredient
- Diphacinone – 0.05g/kg Features
- Small and lightweight – each block weighs 28 grams
- Use indoors or outdoors – in bait stations
Extended field life – a unique coating protects the bait in damp or humid conditions
Super tasty – rats prefer fresh grains and nuts to wax (we've sacrificed a longer shelf life to achieve this)
- Low risk of secondary poisoning – its short half-life compares favourably to other toxins
- Prevents target animals hiding and storing bait (bait caching) – each block has a hole which lets you secure it onto internal bait station spikes (or wire, nail or tie in place)
- Used by experts – the Department of Conservation and other leading conservationists and pest controllers
- Antidote is readily available – Vitamin K
- No Controlled Substance Licence (CSL) required
how long a substance takes to reduce its concentration by half Environmental impact
- Breaks down a lot faster than other toxins – its half-life in tissue and blood is only 3 days. Brodifacoum, the most commonly used second-generation anticoagulant, is 130-300 days.
- Minimal risk of secondary poisoning
- Minimal risk to native birds and non-target species Safety for handlers
- Use according to the Safety Data Sheet How to use
- Use in bait stations for rats like our Run Through, Zig Zag, and Tunnel bait stations
- See our Best Practice guidelines for more information History
- Controlling rats in New Zealand since 2015