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Silverfish trap bathroom

Updated: 21 October 2026

You keep finding a silver insect in the bath in the morning, or under the basin, and a silverfish trap bathroom search is where you have landed. The bath is often a smooth bowl, and the room behind it is often damp. A glue station can sample the skirting. It cannot dry the wall, and a card in the shower stream is the wrong object. Packs and prices are on the [Silverfish trap](/hub/traps/silverfish-trap) comparison, from amazon.co.uk listings captured on 19 October 2026. Peter F. checked those listings. Nothing here was tested in a lab. A qualifying Amazon purchase can earn a commission at no extra cost to you.

You keep finding a silver insect in the bath in the morning, or under the basin, and a silverfish trap bathroom search is where you have landed. The bath is often a smooth bowl, and the room behind it is often damp.

Our top picks

Super Ninja Super Ninja Silverfish Trap for Indoors, 10 Traps

Best overall

Super Ninja Super Ninja Silverfish Trap for Indoors, 10 Traps
8.6/10about £12.99
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Super Ninja Super Ninja Silverfish Trap for Indoors, 4 Traps

Best value

Super Ninja Super Ninja Silverfish Trap for Indoors, 4 Traps
8.0/10about £7.99
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Hockley International ENTOEND Silverfish Glue Traps, pack of 5

Alternative

Hockley International ENTOEND Silverfish Glue Traps, pack of 5
6.8/10about £11.99
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On this page
  1. 1.Why the bath traps them and the room may not
  2. 2.A full trap is a sample, not a survey
  3. 3.Dry the room before you add traps
  4. 4.Keep the glue out of the splash zone

Why the bath traps them and the room may not

The British Pest Control Association says silverfish in baths and basins are a familiar household picture: the ceramic is too smooth for them to climb, they do not bite or spread disease to people, and they can mark a damp problem. Adults can live more than three years, so one insect in the bath is not a visitor that appeared overnight and will vanish by lunch. Winter condensation makes this worse in a lot of UK bathrooms. A closed door, a shower, and an extractor that stops the moment you step out leave water on cold surfaces. If the same insect is also in a dry bedroom or on book spines, stop treating this as only a bathroom case and use the silverfish or paperfish page.

A full trap is a sample, not a survey

A monitor is still worth setting once the obvious water is dealt with. BPCA’s householder note allows a trap as a check on a small case while damp is fixed, and points you to a member firm when the case is severe or when a pesticide label is in doubt. A full trap is a sample of that edge. An empty trap in the shower tray is a wet piece of cardboard. Neither result is a survey of the house.
Super Ninja Super Ninja Silverfish Trap for Indoors, 10 Traps

Testsieger

Super Ninja Super Ninja Silverfish Trap for Indoors, 10 Traps
8.6/10about £12.99
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Dry the room before you add traps

Look for a leak before you look for a brand. A drip under the basin, a failed seal at the bath, or a fan that does not spin will keep producing the insect faster than glue can record it. Use the extractor while you bathe, and do not leave the bathroom as a sealed wet box. A silverfish trap does not wick a wall. If catches rise after you have ventilated and replaced the stations, the next call is a plumber or a pest controller, not a larger multipack. Flimsy card and a thick lip get worse when the card is damp.

Keep the glue out of the splash zone

Dust and steam are different problems with the same result: the adhesive stops catching. Russell IPM tells you to keep dust off the glue on a cardboard station. A practical spot is a dry skirting you can see, not the shower tray. The whole-home method, including folds and empty traps, is on where to put silverfish traps. Most packs here are card or paper with a bathroom mentioned on the listing. ENTOEND’s five plastic stations at £11.99 are the covered exception. You seat a bait tablet, fold the lid, and face the single hole upwards. The listing claims up to four weeks in damp conditions, and that claim is why the plastic exists in the seller’s text. It is not a proof that the station outperforms cardboard. Super Ninja’s cardboard, at £7.99 for four or £12.99 for ten, has the largest review file. Reviewers catch insects in bathrooms and also catch nothing, and the card is flimsy if it gets wet or is folded badly. Keep those stations on a dry edge. The silverfish trap buying guide separates the formats.

Common questions

Why are they in the bath in the morning?
The ceramic holds them. BPCA describes silverfish that fall into baths and basins and cannot climb the smooth surface, and treats that as a sign of damp rather than a bite risk or a disease risk. The insect walked in the night from a gap you may not see in daylight. Tip it out if you want, then look at the seal, the fan and the skirting, not only at the plughole.
Will a trap dry the room?
No. A glue station samples the route you gave it. A working extractor and a repaired drip are what change the moisture. Use the fan as a condensation habit alongside a trap, not instead of finding a leak. BPCA notes that better ventilation or a fixed drip may be enough for common silverfish, and may not be enough for grey silverfish.
Can I put cardboard in the bathroom?
Yes, outside the splash zone, on a skirting or at a pipe entry that stays dry. Plant & Pest is explicit that wet cardboard is a failed trap. Listings that name bathrooms are not instructions to park a pad in the shower tray. NUTKIT’s moisture-proofed adhesive is a seller claim, and reviewers still report insects that miss the pad.
Where should the trap go if not in the shower?
On the skirting beside the basin, at the bath panel if that void is dry and reachable, or behind the toilet away from the flush spray. Pipe gaps are better than the middle of the floor. You should be able to see the station without moving the bath. Under the basin is a good first week if bottles and cleaning cloths will not soak it.
Is the plastic 5-pack the bathroom one?
It is the only covered station in this set, at £11.99 for five, with a bait tablet and a seller claim of up to four weeks in damp conditions. Reviews include a bathroom catch within a day and insects that walked back out, on a sample of 17 reviews. That makes it the format to try when cardboard goes soft, not a proven better killer.
How long should the fan run?
At least 15 minutes after a bath or shower, which is the Energy Saving Trust’s condensation advice, and during bathing if the fan is the type you switch on with the light or a pull-cord. That timing is not a silverfish experiment and it will not make a three-month glue claim come true. Leave the room able to dry after you step out.

Related pages

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Silverfish trap

Best silverfish trap UK: which pack fits your room

Silverfish trap buying guide: cardboard, strip or box

Where to put silverfish traps: skirtings, not mid-floor

Silverfish or paperfish: damp room, dry room, or heat

Sources

Public UK sources used for the legal and safety limits. Listing prices, stars and review counts are the amazon.co.uk figures saved for this set, shelf date 19 October 2026.

  1. BPCA: silverfish can point to damp (retrieved 19 October 2026)
  2. BPCA: control silverfish professionally (retrieved 19 October 2026)
  3. Glue Traps (Offences) Act 2022 (retrieved 19 October 2026)
  4. GOV.UK: Glue trap licences (retrieved 19 October 2026)
  5. Agriculture (Wales) Act 2023, section 46 (retrieved 19 October 2026)
  6. Wildlife Management and Muirburn (Scotland) Act 2024, section 1 (retrieved 19 October 2026)
  7. HSE: regulated biocides (retrieved 19 October 2026)
  8. English Heritage fact file 8: silverfish and grey silverfish (retrieved 19 October 2026)