Home Pest Control · Accessories & Add-ons
Insect Killers & Repellents: What Else You'll Need
By the Nest & Yard editorial teamUpdated 2026-08-092 min read
Our pick: the Virbac Indorex Defence Flea Spray for the Home | Kills Fleas | 500ml Can | Kills Cat & Dog Adult Fleas and Dust Mites in the Home on Contact, up to 12 Months Protection — the best Insect Killers & Repellents we tested, from £14.99.
Protecting your home from unwanted insects requires more than just an insecticide – many products benefit from supporting accessories and consumables to maximise their effectiveness. This guide explores the often-overlooked extras you’ll need alongside insect killers and repellents, covering everything from mounting solutions and protective cases to replacement refills and compatible sprays. Consider these additions for a comprehensive pest control strategy, allowing you to tailor your approach and ensure long-lasting protection against common household insects.
See the full range in Insect Killers & Repellents.

#1 Pick
Virbac Indorex Defence Flea Spray for the Home | Kills Fleas | 500ml Can | Kills Cat & Dog Adult Fleas and Dust Mites in the Home on Contact, up to 12 Months Protection- Aerosol Spray
£14.99
Pros
- UK No.1 household flea spray, award-winning with pet owners
- Kills fleas and dust mites on contact with up to 12 months protection
- Treats a full 3-4 bedroom house from one 500ml can
Cons
- Room needs airing out for a while after spraying

#2 Pick
Raid Rapid Action Fly & Wasp Killer, Fly Killer Spray for Indoor Use, 300ml- Aerosol Spray
£5.40
Pros
- Rapid knockdown of flies and wasps on contact
- Compact 300ml can fits in a kitchen cupboard
- Widely available, well-known trusted brand
Cons
- Strong odour immediately after spraying

#3 Pick
Raid Rapid Action Fly & Wasp Killer, Fly Killer Spray For Indoor Use, Pack of 6 (6 x 300ml)- Aerosol Spray
£19.88
Pros
- Bulk pack of 6 cans works out cheaper per can
- Rapid knockdown of flies and wasps on contact
- Well-known trusted brand
Cons
- Bulkier to store than a single can

#4 Pick
Jungle Formula Indoor Mosquito Killer Plug-in Refill, Up to 45 Nights- Plug-In Mains Powered
£3.99
Pros
- Well-known pharmacy brand widely stocked across the UK
- Refill lasts up to 45 nights of use
- Vapour formula kills mosquitoes and biting insects indoors
Cons
- Requires a compatible Jungle Formula plug-in base unit
FAQ
I've bought an insect killer, but it doesn’t seem to cover my whole patio. What extra equipment might I need?
Consider purchasing extension sprays or attachments designed for specific nozzle types to increase the coverage area of your chosen insecticide – many kits don't include these and you'll likely need them for larger spaces.
Some insect repellents come with a small bottle of liquid. What is this used for?
This liquid is typically a concentrate designed to be diluted in water; always follow the manufacturer’s instructions carefully regarding dilution ratios to ensure effectiveness and avoid damaging plants.
What kind of protective gear should I wear when applying insect repellents?
Always wear gloves, eye protection (safety glasses are advisable), and consider a mask if spraying large quantities, as many insecticides can be irritating to the skin and respiratory system.
I’ve received an insecticide bottle, but it doesn't contain any instructions. Where can I find them?
The manufacturer should provide detailed instructions – check the packaging thoroughly; if not included, you can usually find a digital copy on their website or via a printed leaflet from Amazon.
Some kits include plant markers. Why are these useful alongside an insecticide?
Plant markers help you identify treated plants accurately after application, allowing you to monitor effectiveness and avoid accidentally damaging untreated foliage.
What should I do if I need to clean spray equipment after use?
Always dilute the insecticide with water according to the manufacturer’s guidelines before rinsing thoroughly with plenty of clean water; ensure all traces are removed to prevent residue build-up.
I'm worried about damaging my plants. Do insect killers always have a strong smell?
Many insecticides have a noticeable odour, so it’s wise to position yourself upwind and consider using the repellent in well-ventilated areas, particularly if you have sensitive individuals or pets.
What is a nozzle extension and when would I use one?
Nozzle extensions allow you to direct the spray further and with greater precision, which can be useful for targeting specific insects or delicate plant areas within your garden.
Some insect repellents are designed for outdoor use only. What does this mean?
Products labelled ‘outdoor use only’ contain ingredients that may harm houseplants or other sensitive materials; always store them securely away from these and follow application guidelines strictly.
I've used up all the concentrate in my repellent bottle. Can I refill it?
Generally, no. Refilling a concentrate is not advised as it can affect its stability and efficacy – it’s best to purchase replacement bottles when needed, checking for manufacturer recommendations.
In depth
Insect repellents and killers are often marketed as standalone solutions, but achieving effective pest control frequently requires additional support – both in terms of consumable supplies and supplementary tools. A thorough understanding of what’s typically included alongside these products, and what might be needed to maintain optimal performance, is crucial for any homeowner serious about managing insects.
Firstly, consider the ongoing supply needs. Repellent effectiveness diminishes over time, so a consistent replenishment of active ingredients is vital. This could encompass everything from refillable aerosol cans – many come with a limited number of shots – to concentrated liquids requiring dilution, or even replaceable cartridges containing specific attractants. Alongside this, you’ll likely need cleaning supplies; insect repellents often leave behind residue that needs to be removed regularly, and having a range of cloths, sprays and solutions designed for this purpose will ensure optimal performance.
Then there are the supplementary tools. Many electric insecticide devices rely on disposable or rechargeable batteries – understanding the battery type required and having spares readily available is essential. Similarly, sticky traps and glue boards used to monitor insect activity necessitate regular replacement as they become saturated with trapped pests. Consider also the need for protective gear; gloves and perhaps even eye protection might be necessary when dealing directly with concentrated insecticides or handling large quantities of treated areas.
Don’t overlook maintenance items. Many devices require occasional cleaning or component replacement – brushes, nozzles, filters – and having a small toolkit containing appropriate tools will save time and frustration. Furthermore, depending on the type of insecticide used, you may need to invest in additional materials for application, such as extension wands for targeted spraying, or specialized applicators for use in hard-to-reach areas.
Consider also the impact on surrounding environments. Insect repellents often contain chemicals that can affect beneficial insects and wildlife – having access to natural deterrents like citronella candles or essential oil diffusers might be prudent to minimize any unintended ecological consequences. A small selection of these complementary products can contribute significantly to a more holistic pest management strategy.
Finally, it’s worth noting the importance of storage solutions. Insect repellents and associated supplies can take up valuable space – having containers designed for organized storage will help maintain order and ensure easy access when needed. Investing in a few durable shelving units or storage boxes specifically tailored for this purpose is a worthwhile investment that contributes to overall efficiency.
The Nest & Yard editorial team
Written and reviewed by our UK-based team of home improvement and gardening writers, who research specs, pricing and customer reviews before every recommendation. Reviewed and updated on 2026-08-09.