---
product_id: 77461857
title: "Wasp & Nest Killer Spray | Maximum Strength, Fast-Acting Formula | Kills Wasps, Hornets & Nests Instantly | Long-Lasting Indoor & Outdoor Pest Control | 300ml"
brand: "karlsten"
price: "£19.95"
currency: GBP
in_stock: true
reviews_count: 8
category: "Karlsten"
url: https://www.desertcart.co.uk/products/77461857-wasp-and-nest-killer-spray-maximum-strength-fast-acting-formula
store_origin: GB
region: United Kingdom
---

# Fast-acting knockdown Indoor & outdoor use 10-sec burst covers 1m² Wasp & Nest Killer Spray | Maximum Strength, Fast-Acting Formula | Kills Wasps, Hornets & Nests Instantly | Long-Lasting Indoor & Outdoor Pest Control | 300ml

**Brand:** karlsten
**Price:** £19.95
**Availability:** ✅ In Stock

## Summary

> 🚫🐝 Wasp-free zones start here—spray smart, live fearless!

## Quick Answers

- **What is this?** Wasp & Nest Killer Spray | Maximum Strength, Fast-Acting Formula | Kills Wasps, Hornets & Nests Instantly | Long-Lasting Indoor & Outdoor Pest Control | 300ml by karlsten
- **How much does it cost?** £19.95 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/77461857-wasp-and-nest-killer-spray-maximum-strength-fast-acting-formula)

## Best For

- karlsten enthusiasts

## Why This Product

- Trusted karlsten brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Versatile Application:** Safe and effective for both indoor vents and outdoor nests—reclaim your space anywhere.
- • **Instant Wasp Eradication:** Strike fast with a powerful formula that neutralizes wasps and hornets on contact.
- • **Precision Spray Efficiency:** A quick 10-second burst treats a full square meter, saving time and product.
- • **Trusted UK Safety Standards:** Registered and rigorously tested to meet strict UK home use regulations for peace of mind.
- • **Long-Lasting Nest Destruction:** Penetrates and destroys nests to prevent wasp return, ensuring lasting protection.

## Overview

Karlsten Flying and Crawling Insect Killer is a high-strength, fast-acting aerosol spray designed to eliminate wasps and hornets quickly and efficiently. Suitable for indoor and outdoor use, its precision 10-second burst covers 1 square meter, targeting nests directly. Registered for UK home use, it meets strict safety standards while delivering long-lasting nest destruction to restore your peace of mind.

## Description

Product Description

Review: Instant results! - I'm extremely allergic so my partner went to battle the wasp Queen that just started building its nest in our shed. It took just a few seconds of the spray and he could immediately see the behaviour change. Within next few seconds it just fell. This thing was about 3cm large! and it was defeated in seconds, while I hopefully gained a few more years of existence will less fear. I wish that there was a long or longer nozzle so that scaredy-cats like me, can keep a safer distance and fight back when these things attack. Also for those who are sensitive to scents - this has a very strong smell, but it works! So I'd suggest to mask up and keep distance or air out the room after use if possible.
Review: It works well if you follow some basic rules - We had an external hole just above the front window within the wood that we could see wasps going in and out. We considered just filling in the hole but read that the wasps will just eat their way out through the wood (or plasterboard, cavity insulation or whatever they are trapped next to) and usually this means eating their way out into your home. We therefore bought the Karlsten Wasp & Nest Killer and waited until evening and sprayed a liberal amount directly into the hole. This definitely worked but we were still left with some activity. We repeated the sprays an hour later, the next morning and again that night. All in all, 4 doses totalling half a can. The smell, if used outside, is negligible. The smell, if used inside, is much more apparent and I would be inclined to leave the room aired and closed especially from pets and children. After 4 doses all movement and noise stopped and we bunged the hole with sealant. Since then we’ve had no movement and no stray wasps hanging around. Good value for money and reliable. Would definitely recommend and buy again. Edit - one week later - still no wasps

## Features

- Causes serious eye irritation.
- Contains PERMETHRIN (ISO). May produce an allergic reaction.
- Extremely flammable aerosol.
- Pressurised container: May burst if heated.
- Repeated exposure may cause skin dryness or cracking.
- Use biocides safely. Always read the label and product information before use.
- Very toxic to aquatic life with long lasting effects.
- Very toxic to aquatic life.
- Powerful Wasp & Nest Killer.Are unwelcome wasps and hornets buzzing around your property, making you feel unsafe and uncomfortable? Karlsten's high-strength wasp and nest killer provides a fast-acting solution to eliminate these pests and restore peace of mind to your home.
- Fast-Acting Formula: This powerful spray delivers a quick knockdown effect, eliminating wasps and hornets on contact. The targeted spray reaches the source of the problem, effectively destroying wasp and hornet nests. Formula is suitable for both indoor and outdoor applications, allowing you to tackle wasp and hornet problems wherever they arise.
- Safety and Quality You Can Trust: This product is registered for use in UK homes, ensuring it meets strict safety standards. Karlsten is a well-established brand known for high-quality pest control solutions, offering satisfaction so you can tackle with confidence.
- Easy Application: A 10-second burst treats 1 square meter, allowing for efficient application. formula effectively targets wasps and hornets. Don't let wasps and hornets take over your home. Reclaim your outdoor space and enjoy peace of mind.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07F6GNBXL |
| Best Sellers Rank | 1,317 in Garden ( See Top 100 in Garden ) 5 in Bee, Wasp & Hornet Control |
| Brand | Karlsten |
| Brand Name | Karlsten |
| Country of Origin | United Kingdom |
| Customer Reviews | 4.3 out of 5 stars 1,737 Reviews |
| Item Form | Aerosol |
| Item Type Name | wasp & nest killer |
| Item Weight | 200 Grams |
| Item form | Aerosol |
| Item weight | 200 Grams |
| Liquid Volume | 300 Millilitres |
| Liquid volume | 300 Millilitres |
| Manufacturer | lodi |
| Model Number | 7000 |
| Part Number | 7000 |
| Specification Met | HSE |
| Specification met | HSE |
| Target Species | Wasp |
| Target species | Wasp |
| Unit Count | 1 aerosol can |

## Product Details

- **Brand:** Karlsten
- **Item form:** Aerosol
- **Item weight:** 200 Grams
- **Liquid volume:** 300 Millilitres
- **Specification met:** HSE

## Images

![Wasp & Nest Killer Spray | Maximum Strength, Fast-Acting Formula | Kills Wasps, Hornets & Nests Instantly | Long-Lasting Indoor & Outdoor Pest Control | 300ml - Image 1](https://m.media-amazon.com/images/I/410AzrkxdRL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Instant results!
*by K***A on 26 April 2026*

I'm extremely allergic so my partner went to battle the wasp Queen that just started building its nest in our shed. It took just a few seconds of the spray and he could immediately see the behaviour change. Within next few seconds it just fell. This thing was about 3cm large! and it was defeated in seconds, while I hopefully gained a few more years of existence will less fear. I wish that there was a long or longer nozzle so that scaredy-cats like me, can keep a safer distance and fight back when these things attack. Also for those who are sensitive to scents - this has a very strong smell, but it works! So I'd suggest to mask up and keep distance or air out the room after use if possible.

### ⭐⭐⭐⭐⭐ It works well if you follow some basic rules
*by J***B on 20 July 2024*

We had an external hole just above the front window within the wood that we could see wasps going in and out. We considered just filling in the hole but read that the wasps will just eat their way out through the wood (or plasterboard, cavity insulation or whatever they are trapped next to) and usually this means eating their way out into your home. We therefore bought the Karlsten Wasp & Nest Killer and waited until evening and sprayed a liberal amount directly into the hole. This definitely worked but we were still left with some activity. We repeated the sprays an hour later, the next morning and again that night. All in all, 4 doses totalling half a can. The smell, if used outside, is negligible. The smell, if used inside, is much more apparent and I would be inclined to leave the room aired and closed especially from pets and children. After 4 doses all movement and noise stopped and we bunged the hole with sealant. Since then we’ve had no movement and no stray wasps hanging around. Good value for money and reliable. Would definitely recommend and buy again. Edit - one week later - still no wasps

### ⭐⭐⭐⭐ Good
*by M***N on 28 July 2025*

It was good Used it a few times and no more bees or wasp Sad but when you get stung as you go out of the front door it is not funny

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---

*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-06-08*