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Best silverfish killer spray: who each bottle is for

Updated: 17.10.2026

You want one bottle and a reason to leave the others on the amazon.co.uk page. The best silverfish killer spray in this set depends on what the listing actually names, and on whether the reviews mention silverfish. Star ratings and “HSE tested” roundups do not settle it. HSE does not endorse products, and this is not a lab ranking. The [silverfish spray comparison](/hub/pest-control/silverfish-spray) is the table. The Products Compared editorial team compared the seven amazon.co.uk listings in this set on 16 October 2026. We did not spray them in a lab. A qualifying purchase through our links can earn a commission at no extra cost to you.

You want one bottle and a reason to leave the others on the amazon.co.uk page. The best silverfish killer spray in this set depends on what the listing actually names, and on whether the reviews mention silverfish.

Our top picks

NOPE! NOPE! CP Silverfish Killer Spray, pack of 2

Best overall

NOPE! NOPE! CP Silverfish Killer Spray, pack of 2
8.4/10about £27.98
View offer
Rentokil Rentokil Insectrol Insect Killer Spray 600 ml

Preis-Tipp

Rentokil Rentokil Insectrol Insect Killer Spray 600 ml
5.9/10about £10
View offer
UK GROW UK GROW silverfish repellent spray, 1 litre

Alternative

UK GROW UK GROW silverfish repellent spray, 1 litre
5.3/10about £18.99
View offer
On this page
  1. 1.If the reviews have to be about silverfish
  2. 2.If you want a £10 crawling-insect aerosol
  3. 3.If you want a scented bottle
  4. 4.Who should skip which

If the reviews have to be about silverfish

NOPE! CP, ASIN B0GVZDKZ4T, is the top pick when the review texts have to be about silverfish. Two 500 ml bottles at £27.98 name cypermethrin and claim up to three months. That line is a listing claim. Across 4.5 from 715 ratings, the texts that were read discuss silverfish. The volume field is 1,000 ml. The part number says “Nope! CP silverfish 5L”. ASIN B0B1QKQLVF is a different 5 litre listing. Safeguard’s sheet quotes HSE No. 10815, and this Amazon page does not print it. Skip the pack if you need that number on the screen. The sheet’s 25–50 ml per square metre belongs to that product only. The three liquid types are in the buying guide.

If you want a £10 crawling-insect aerosol

Rentokil Insectrol, ASIN B0D8WNJG9N, is the best value for a 600 ml residual aerosol at £10 if you will read the can. Spray cracks and skirtings from 20–25 cm. The bullets name ants, cockroaches, fleas, bedbugs, beetles, earwigs and woodlice. Silverfish is absent, and no active is printed. The 4.4 from 7,074 reviews is about other crawling insects, not a silverfish trial. Rentokil’s own page includes silverfish and names cyphenothrin and 1R-trans phenothrin. That page is not the bullet list in your basket. Leave it if the listing must already say silverfish.
NOPE! NOPE! CP Silverfish Killer Spray, pack of 2

Testsieger

NOPE! NOPE! CP Silverfish Killer Spray, pack of 2
8.4/10about £27.98
View offer

If you want a scented bottle

Five oil bottles state no active and no HSE number. The natural or insecticide page is the full argument. UK GROW’s 1 litre, B0D4VPM422, is £18.99, lavender, reapply every 2–3 weeks, 4.0 from one review and no text. B0D4VNZFG7 is £14.99, with a 500 ml title and a 1 litre specification. DD teck’s 1,000 ml disagrees on duration and scent and has no star line. The 100 ml review is a leaking nozzle. The 30 ml review wanted a larger bottle.

Who should skip which

Choose NOPE! CP if the reviews must mention silverfish and you can live with a part number that says 5 L. Choose Insectrol if £10 for 600 ml matches the insects on the bullets. Choose the lavender 1 litre only as a deterrent you will refresh. Skip every oil bottle if you need a named active. There is no tested best for 2026 in these sources.

Common questions

Which bottle is aimed at silverfish on the listing?
NOPE! CP names silverfish and cypermethrin. The five oil titles also name silverfish, without an active substance. Insectrol’s Amazon bullets do not name silverfish. Rentokil’s separate website does. Use the Amazon listing as the page you are paying for.
Why not pick the 4.4-star aerosol with 7,074 reviews?
Those reviews are about other crawling insects. A high count is useful for ants, cockroaches and the pests the texts mention. It does not become silverfish evidence because the can is sold in the same search. Read the pest list on the listing you open.
Is the £27.98 pack the 5 litre I see in other results?
No. B0GVZDKZ4T is the twin 500 ml pack, with a 1,000 ml volume field and a part number that says 5 L. The 5 litre ASIN B0B1QKQLVF is a different listing and it is not in this comparison. Check the ASIN in the basket.
What is wrong with the 100 ml bottle’s only review?
The reviewer said the nozzle did not spray and the liquid leaked. They did not describe silverfish, firebrats or booklice. A 2.8 from three reviews plus that text is a reason to wait, not a reason to treat a kitchen.
Can I treat a 4.4 from three reviews as a quality mark?
The 30 ml DD teck bottle is 4.4 from three reviews, with one mild text. Three ratings cannot carry a whole-home decision. The same star figure on Insectrol comes from 7,074 ratings about different insects. The number of reviews is part of the meaning.
Which listing’s volume does not match the title?
UK GROW B0D4VNZFG7 says 500 ml in the title and 1 litre in the specification. NOPE! CP’s part number says 5 L while the title is two 500 ml bottles. The other fills in this set agree with themselves: 600 ml, 1 litre, 1,000 ml, 100 ml and 30 ml.
Who should skip an oil bottle with no active substance?
Skip it if insects are in several rooms, if paper or stored food is already damaged, or if you need a dose in millilitres per square metre. An oil listing in this set does not state that dose. A light deterrent you will refresh is the narrower job, and even that rests on thin reviews.

Related pages

Silverfish spray in the bathroom

How to use silverfish spray

Silverfish spray

Best silverfish spray UK: label checks before you buy

Natural silverfish spray vs a residual insecticide

Sources

Public sources from the research digest, checked on 16.10.2026. Shelf prices are the amazon.co.uk listings in this set.

  1. Exeter City Council — Silverfish (retrieved 16.10.2026)
  2. Middlesbrough Council — Silverfish (retrieved 16.10.2026)
  3. Lancaster City Council — Silverfish (PDF) (retrieved 16.10.2026)
  4. Gateshead Council — Silverfish (retrieved 16.10.2026)
  5. HSE — Biocide advertisement requirements (retrieved 16.10.2026)
  6. Regulation (EU) No 528/2012, Article 72 (retrieved 16.10.2026)
  7. BPCA PestWatch — Silverfish and grey silverfish (retrieved 16.10.2026)
  8. NOPE! CP sheet — HSE No. 10815 (retrieved 16.10.2026)