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.

flux

Skip it

Prices mostly outside the sweet spot ($2.70–$12.96) — this niche doesn't clear our bar today.

Returns

Incredible0.2%

return rate — above 5% kills the launch gate

Conversion

Incredible15.9%

search→purchase rate — share of searches ending in a sale

Review moat

Good1,186.89

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Brand share

Okay78%

top-5 brand share — brands hold most of the demand

Market size

Okay£186K

£186K/yr · 225K searches

Competition

Okay64%

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

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

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.

No pronounced peak months · busiest ÷ quietest = 1.6×

Open Trend

Top flux search terms

flux62K/yr -19.9%12.2% conv.
solder flux56K/yr -22.2%14.2% conv.
soldering flux42K/yr -21.8%12.4% conv.
flux soldering paste28K/yr -31.4%12.2% conv.
flux paste7K/yr -22.5%9.9% conv.
liquid flux6K/yr -14.8%11.7% conv.
solder flux paste5K/yr -1.0%14.9% conv.
liquid flux for soldering4K/yr -15.8%14.4% conv.
rosin flux4K/yr -30.9%9.3% conv.
no clean flux3K/yr -15.8%11.5% conv.

All 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.

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

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£3.144.5★678 rev

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£4.854.7★59 rev

TOWOT 10ft Solder Wick Braid & No-Clean Soldering Flux Paste (10cc) - Desoldering Kit for Electronics Repair Circuit Board Rework

TOWOT£5.494.5★382 rev

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£5.234.4★299 rev

BOJACK 50g Solder Flux Paste No-Clean Lead-Free Flux Environmentally Friendly Solder Tin Paste for Welding

BOJACK£5.864.5★1,294 rev

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£4.8222 rev

8mo ago

BEEYUIHF 10mL Rosin Soldering Flux with Solder Wick Braid 3M/10ft 2.5mm for Electrical BGA PCB LED SMD Soldering Kit

BEEYUIHF£4.9693 rev

8mo ago

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£4.8559 rev

8mo ago

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£5.23299 rev

10mo ago

TOWOT 10ft Solder Wick Braid & No-Clean Soldering Flux Paste (10cc) - Desoldering Kit for Electronics Repair Circuit Board Rework

TOWOT£5.49382 rev

11mo ago

What buyers say about flux

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall20%

“It feels well made”

Advertised Vs Actual Product18%

“works as advertised”

Value For Money14%

“Excellent value”

Efficiency12%

“Works fine and does the job”

Ease Of Use9%

“Easy to use”

Ease Of Cleaning6%

“Cleanup is straightforward after use”

Spray/Flow5%

“Good fine nozzle for application”

Size-Overall2%

“Fit for purpose”

Functionality-Overall1%

“The flux core does its job well too”

Smell1%

“has no harmful substances or pungent odours”

What buyers complain about

Size-Overall17%

“small wick”

Ease Of Cleaning11%

“It says no clean up”

Value For Money8%

“Cheap at half others prices”

Ease Of Use8%

“they're not especially easy to use”

Advertised Vs Actual Product6%

“My own fault for not looking at the description properly lol”

Quality-Overall4%

“Poor quality flux”

Connectivity-Overall3%

“it didn't connect”

Spray/Flow3%

“Poor flow”

Grip3%

“Slippery”

Hard Feel3%

“Rock hard solid”

Top return reasons

Functionality-Overall28%

Size-Overall16%

Quality-Overall14%

Value For Money6%

Advertised Vs Actual Product6%

Leak-Proof5%

Defective Material/Parts4%

Spray/Flow3%

Maintenance And Repair3%

Product Condition3%

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.

flux

flux market data

Competition & brand share

Demand & seasonality

Top flux search terms

Top flux products on Amazon

Top sellers

Newest

Trending

What buyers say about flux

What buyers love

What buyers complain about

Top return reasons

Common questions

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