---
title: "Flux — £186K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/diy-tools/flux"
last_updated: "2026-07-31T10:53:20.297Z"
locale: en
meta:
description: "Niche score 45/100 · £186K/yr market · 225K searches/yr · £5.20 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 45/100 · £186K/yr market · 225K searches/yr · £5.20 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Flux — £186K/yr Amazon UK Niche (2026) - Flapen"
---
# **flux**
**Skip it**
Prices mostly outside the sweet spot ($2.70–$12.96) — this niche doesn't clear our bar today.
Market size 37Growth 13Conversion 97Competition 36Returns 99Price range 0Avg price 14Brand share 46Review moat 58Quality gap 47
**Returns**
**Incredible****0.2%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****15.9%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Good****1,186.89**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Okay****78%**
top-5 brand share — brands hold most of the demand
**Market size**
**Okay****£186K**
£186K/yr · 225K searches
**Competition**
**Okay****64%**
top-5 click share — leaders hold, buyers still browse
**Avg price**
**Bad****£5.20**
avg listing price — sweet spot $15–$100
**Growth**
**Bad****-23.1%**
90-day search growth — must beat 0% to launch
**Price range**
**Bad****£2.70–£12.96**
cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United Kingdom niche tracking, flux is a £186K/yr Amazon United Kingdom market (225K searches/yr). The top 5 brands hold 78% of demand. Verdict: Skip it — 45/100.
Data updated Jul 22, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **flux market data**
- **Units sold / yr**
- **25K–30K**
- avg 1,500–2,000/product
- **Revenue / yr**
- **£130K–£156K**
- units × avg price
- **Conversion rate**
- **15.9%**
- **Avg BSR**
- **#6**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **68%**
- **Out of stock**
- **6.1%**
- **Avg brand age**
- **43 months**
- **Avg seller age**
- **179 days**
## **Competition & brand share**
The top 5 products take 64% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**14 **▼falling
**Sellers**
**49**
**Top-5 brand share**
**78%**
Top 20: 100%
**Top-5 click share**
**64%**
Top 20: 100%
**Open market**
**17%**
- Yiapinn24% - TOWOT23% - BEEYUIHF20% - BOJACK6% - LINAERSHAO5% - LA-CO5% - Open — no brand owns it (8 brands, 17%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -23.1% search growth over the last 90 days.
5K3K seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.6×
[**Open Trend **](https://flapen.com/research/uk/diy-tools/flux/trend)
## **Top flux search terms**
- **flux**62K/yr-19.9%12.2% conv. - **solder flux**56K/yr-22.2%14.2% conv. - **soldering flux**42K/yr-21.8%12.4% conv. - **flux soldering paste**28K/yr-31.4%12.2% conv. - **flux paste**7K/yr-22.5%9.9% conv. - **liquid flux**6K/yr-14.8%11.7% conv. - **solder flux paste**5K/yr-1.0%14.9% conv. - **liquid flux for soldering**4K/yr-15.8%14.4% conv. - **rosin flux**4K/yr-30.9%9.3% conv. - **no clean flux**3K/yr-15.8%11.5% conv. [**All search terms **](https://flapen.com/research/uk/diy-tools/flux/search-terms)
## **Top flux products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%10%£19K20%£37K30%£56K40%£74K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 19 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Solder Flux Paste 10g Rosin Solder Flux Tin Paste Solder Grease No-Clean Lead-Free Flux Environmentally Friendly Solder Paste Welding Repair Tool for Phone Computer SMD PCB BGA Home Appliance**Yiapinn**£3.14**4.5★678 rev](https://www.amazon.co.uk/dp/B0DL372S45) [2**BEEYUIHF Liquid Solder Flux Dropper Liquid Soldering Flux No Clean Liquid Flux Electrical Liquid Rosin Flux Solder Liquid Flux Soldering Squeeze Bottle (30 mL/1.05Oz.)**BEEYUIHF**£4.85**4.7★59 rev](https://www.amazon.co.uk/dp/B0FXWVLFY5) [3**TOWOT 10ft Solder Wick Braid & No-Clean Soldering Flux Paste (10cc) - Desoldering Kit for Electronics Repair Circuit Board Rework**TOWOT**£5.49**4.5★382 rev](https://www.amazon.co.uk/dp/B0FL1ZQ5DS) [4**TOWOT Liquid Solder Flux 30ml No-Clean Soldering Flux for Electronics Lead-Free & Anti-Corrosion High Purity Rosin Solder Flux for PCB Copper Silver**TOWOT**£5.23**4.4★299 rev](https://www.amazon.co.uk/dp/B0FL219MPW) [5**BOJACK 50g Solder Flux Paste No-Clean Lead-Free Flux Environmentally Friendly Solder Tin Paste for Welding**BOJACK**£5.86**4.5★1,294 rev](https://www.amazon.co.uk/dp/B09P4LJG36)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**0.8mm Solder Wire Set with 10g Solder Flux Paste Soldering Wick 2Pcs Professional Soldering Flux Paste Tool Set for Welding Electronics Components Appliance**saerryor**£4.82**22 rev8mo ago](https://www.amazon.co.uk/dp/B0G1B2SK26) [**BEEYUIHF 10mL Rosin Soldering Flux with Solder Wick Braid 3M/10ft 2.5mm for Electrical BGA PCB LED SMD Soldering Kit**BEEYUIHF**£4.96**93 rev8mo ago](https://www.amazon.co.uk/dp/B0FYH7SHWH) [**BEEYUIHF Liquid Solder Flux Dropper Liquid Soldering Flux No Clean Liquid Flux Electrical Liquid Rosin Flux Solder Liquid Flux Soldering Squeeze Bottle (30 mL/1.05Oz.)**BEEYUIHF**£4.85**59 rev8mo ago](https://www.amazon.co.uk/dp/B0FXWVLFY5) [**TOWOT Liquid Solder Flux 30ml No-Clean Soldering Flux for Electronics Lead-Free & Anti-Corrosion High Purity Rosin Solder Flux for PCB Copper Silver**TOWOT**£5.23**299 rev10mo ago](https://www.amazon.co.uk/dp/B0FL219MPW) [**TOWOT 10ft Solder Wick Braid & No-Clean Soldering Flux Paste (10cc) - Desoldering Kit for Electronics Repair Circuit Board Rework**TOWOT**£5.49**382 rev11mo ago](https://www.amazon.co.uk/dp/B0FL1ZQ5DS)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**TOWOT Liquid Solder Flux 30ml No-Clean Soldering Flux for Electronics Lead-Free & Anti-Corrosion High Purity Rosin Solder Flux for PCB Copper Silver**TOWOT**£5.23**4.4★**▲ 260%**](https://www.amazon.co.uk/dp/B0FL219MPW) [**0.8mm Solder Wire Set with 10g Solder Flux Paste Soldering Wick 2Pcs Professional Soldering Flux Paste Tool Set for Welding Electronics Components Appliance**saerryor**£4.82**4.3★**▲ 195%**](https://www.amazon.co.uk/dp/B0G1B2SK26) [**Soldering flux Liquid 50ml oiler- SMD/RMA No Clean Reflow Rework Reball RF800**TermoPasty**£4.32**4.4★**▲ 180%**](https://www.amazon.co.uk/dp/B07B511DDL) [**BEEYUIHF Liquid Solder Flux Dropper Liquid Soldering Flux No Clean Liquid Flux Electrical Liquid Rosin Flux Solder Liquid Flux Soldering Squeeze Bottle (30 mL/1.05Oz.)**BEEYUIHF**£4.85**4.7★**▲ 107%**](https://www.amazon.co.uk/dp/B0FXWVLFY5) [**Solder 0.8mm Solder Wire Lead Free Sn99.3 Cu0.7 with Rosin Core for Electronic Electrical Soldering Components Repair and DIY(20g)**Yiapinn**£3.19**4.5★**▲ 46%**](https://www.amazon.co.uk/dp/B0BFW8TS6H)
**~~View all trending →~~**
## **What buyers say about flux**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**20%
*“It feels well made”*
**Advertised Vs Actual Product**18%
*“works as advertised”*
**Value For Money**14%
*“Excellent value”*
**Efficiency**12%
*“Works fine and does the job”*
**Ease Of Use**9%
*“Easy to use”*
**Ease Of Cleaning**6%
*“Cleanup is straightforward after use”*
**Spray/Flow**5%
*“Good fine nozzle for application”*
**Size-Overall**2%
*“Fit for purpose”*
**Functionality-Overall**1%
*“The flux core does its job well too”*
**Smell**1%
*“has no harmful substances or pungent odours”*
### **What buyers complain about **
**Size-Overall**17%
*“small wick”*
**Ease Of Cleaning**11%
*“It says no clean up”*
**Value For Money**8%
*“Cheap at half others prices”*
**Ease Of Use**8%
*“they're not especially easy to use”*
**Advertised Vs Actual Product**6%
*“My own fault for not looking at the description properly lol”*
**Quality-Overall**4%
*“Poor quality flux”*
**Connectivity-Overall**3%
*“it didn't connect”*
**Spray/Flow**3%
*“Poor flow”*
**Grip**3%
*“Slippery”*
**Hard Feel**3%
*“Rock hard solid”*
### **Top return reasons **
**Functionality-Overall**28%
**Size-Overall**16%
**Quality-Overall**14%
**Value For Money**6%
**Advertised Vs Actual Product**6%
**Leak-Proof**5%
**Defective Material/Parts**4%
**Spray/Flow**3%
**Maintenance And Repair**3%
**Product Condition**3%
## **Common questions**
- **Is flux profitable to sell on Amazon United Kingdom?**
- The niche generates £186K/yr across 19 tracked products. 3 of 5 products launched in the last 360 days are still selling. 90-day search growth is -23.1%. Flapen's verdict: Skip it (45/100).
- **How competitive is the flux niche?**
- 14 brands and 49 sellers compete. The top 5 products take 64% of clicks and top 5 brands hold 78% of demand.
- **What do buyers complain about in flux?**
- Top complaints mined from reviews: Size-Overall, Ease Of Cleaning, Value For Money. The return rate is 0.2%.
- **When does demand for flux peak?**
- Demand is steady year-round — the busiest month runs 1.6× the quietest.
- **What does it cost to enter the flux niche?**
- Listings span £2.70–£12.96; the average listing price is £5.20 (sweet spot $15–$100). The average incumbent carries 1,187 reviews — the moat a new listing must climb.
## **Related niches in DIY & Tools**
- 68 [**cardboard cutter**](https://flapen.com/research/uk/diy-tools/cardboard-cutter)£343K/yr+30.6%**Worth a look**- 68 [**door canopy**](https://flapen.com/research/uk/diy-tools/door-canopy)£202K/yr+187.7%**Worth a look**- 68 [**fence post repair**](https://flapen.com/research/uk/diy-tools/fence-post-repair)£359K/yr-8.2%**Worth a look**- 68 [**cat window guard**](https://flapen.com/research/uk/diy-tools/cat-window-guard)£98K/yr+413.1%**Worth a look**- 68 [**sun shade**](https://flapen.com/research/uk/diy-tools/sun-shade)£202K/yr+187.7%**Worth a look**- 69 [**brass hose connector**](https://flapen.com/research/uk/diy-tools/brass-hose-connector)£66K/yr+122.8%**Worth a look**[**All DIY & Tools niches **](https://flapen.com/research/uk/diy-tools)