Is pool testing strips profitable to sell on Amazon United Kingdom?

The niche generates £61K/yr across 17 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is >1,000%. Flapen's verdict: Worth a look (52/100).

How competitive is the pool testing strips niche?

15 brands and 49 sellers compete. The top 5 products take 70% of clicks and top 5 brands hold 78% of demand.

What do buyers complain about in pool testing strips?

Top complaints mined from reviews: Quality-Overall, Functionality-Overall, Measurement/Reading Accuracy. The return rate is 0.2%.

When does demand for pool testing strips peak?

Demand peaks in May–Jun–Jul–Aug; the busiest month runs 24.2× the quietest.

What does it cost to enter the pool testing strips niche?

Listings span £4.19–£11.94; the average listing price is £7.66 (sweet spot $15–$100). The average incumbent carries 5,893 reviews — the moat a new listing must climb.

pool testing strips

Worth a look

Shows demand growing >1,000% this quarter, but prices mostly outside the sweet spot ($4.19–$11.94) keeps it on the watch list.

Growth

Incredible>1,000%

90-day search growth — must beat 0% to launch

Conversion

Incredible18.4%

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

Returns

Incredible0.2%

return rate — above 5% kills the launch gate

Brand share

Okay78%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Competition

Bad70%

top-5 click share — a locked-up shelf

Review moat

Bad5,893.18

avg incumbent reviews — the moat a new listing must climb

Avg price

Bad£7.66

avg listing price — sweet spot $15–$100

Market size

Bad£61K

£61K/yr · 43K searches

Price range

Bad£4.19–£11.94

cheapest to priciest tracked listing — scored on the share inside $15–$100

Signals Trending

According to Flapen's Amazon United Kingdom niche tracking, pool testing strips is a £61K/yr Amazon United Kingdom market (43K searches/yr). The top 5 brands hold 78% of demand. Demand peaks in May–Jun–Jul–Aug. Verdict: Worth a look — 52/100.

Data updated Jul 26, 2026 · scored weekly · How we score niches

pool testing strips market data

Units sold / yr: 8K–10K; avg 500–750/product
Revenue / yr: £61K–£77K; units × avg price
Conversion rate: 18.4%
Avg BSR: #28
Page quality: 0%
Prime: 94%
Sponsored: 76%
Out of stock: 1.0%
Avg brand age: 35 months
Avg seller age: 184 days

Competition & brand share

The top 5 products capture 70% of clicks — a locked-up shelf that new listings rarely crack.

Brands

15 rising

Sellers

Top-5 brand share

78%

Top 20: 100%

Top-5 click share

70%

Top 20: 100%

Open market

19%

EASYTEST29%
Clearwater24%
CANADIAN SPA CO.16%
RUNBO4%
AquaChek3%
KIMIBST3%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — >1,000% search growth over the last 90 days.

Peak months: May, Jun, Jul, Aug · busiest ÷ quietest = 24.2×

Open Trend

Top pool testing strips search terms

pool testing strips26K/yr >1,000%16.9% conv.
pool dip test sticks7K/yr >1,000%14.1% conv.
hot tub testing strips10K/yr +228.7%17.1% conv.

All search terms

Top pool testing strips 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 17 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

EASYTEST Hot Tub Test Strips 150 Strips Pool and Spa Test for pH Total Alkalinity Free Chlorine and Bromine Accurate 3 in 1 Pool Water Testing Kit

EASYTEST£8.904.6★24,823 rev

Pool and Spa Test Strips 50 Counts: 3-Way Hot Tub Test Kit Testing for Free Chlorine/Bromine Total Alkalinity and pH. Easy and Accurate Spa Test Strips for Hot Tub.

CANADIAN SPA CO.£4.193.9★636 rev

Clearwater Hot Tub Pool and Spa Test Strips 4 in 1 - Measures Chlorine Bromine PH and Total Alkalinity (3-in-1)

Clearwater£7.234.6★14,001 rev

Clearwater Hot Tub Pool and Spa Test Strips x 100-3 in 1 - Measures Chlorine PH and Total Alkalinity

Clearwater£10.204.7★968 rev

Clearwater Hot Tub Pool and Spa Test Strips x 25 - Measures Chlorine Bromine PH and Total Alkalinity (3-in-1)

Clearwater£5.294.6★10,300 rev

Newest

by launch date

Crystals 150pcs Hot Tub Test Strips 3 in 1 Pool & Spa Water Testing Kit Chlorine pH & Alkalinity Dip Test Strips for Swimming Pools Hot Tubs Jacuzzis & Easy Water Quality Control

Crystals£5.344 rev

3mo ago

7 in 1 Hot Tub Test Strips 150 Strips Pool Test Strips for Swimming Pool & Spa Accurately Test pH Free Chlorine Total Chlorine Bromine Total Alkalinity Total Hardness Cyanuric Acid

Dr.Tim.Wang£11.943,455 rev

4mo ago

KIMIBST Pool Test Strips: 200CT 7-Way Professional Hot Tub & Spa Test Kit for Bromine pH Total Chlorine & Hardness Cyanuric Acid and More Accurate Testing Above Ground Inground Swimming Pool Water

KIMIBST£10.18103 rev

6mo ago

3 in 1 Hot Tub Test Strips 125ct Pool and Spa Test Strips for Hot Tub

HOVIRAN£5.51267 rev

1y ago

Hot Tub Test Strips 7-In-1 (150Pcs)| Ph Test Strips For Swimming Pool & Spa | Pool Water Testing Kit For Chlorine Bromine Ph Hardness More - All In 1 Swimming Pool Test Strips

WLCTJIAYOU£7.06135 rev

1y ago

What buyers say about pool testing strips

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

What buyers love

Value For Money25%

“Good value for money and consistent”

Ease Of Use22%

“Easy to use”

Advertised Vs Actual Product17%

“Does the job perfectly”

Quality-Overall9%

“Excellent quality product, easy to use and accurate too”

Efficiency5%

“effective test strips”

Measurement/Reading Accuracy4%

“Cant beat this brand, always reliable and fairly accurate”

Water Resistance3%

“also I like the ideea of having them individually packed inside so you cannot damage them by dropping water”

Color2%

“the colours are easy to read for me”

Instructions/User Manual/Troubleshooting1%

“include clear instructions”

Pureness1%

“They are really good for daily checks on the chemical levels”

What buyers complain about

Quality-Overall22%

“does the job cheap quality”

Functionality-Overall19%

“Don't work”

Measurement/Reading Accuracy13%

“DANGEROUS - inaccurate pH reading”

Value For Money13%

“a bit cheaper with Amazon”

Color13%

“No relation to the colours no use whatsoever”

Moist/Dry6%

“Doesnt change at all looks like moisture has got in to the packets”

Ease Of Use3%

“Not useful”

Top return reasons

Functionality-Overall40%

Color12%

Defective Material/Parts9%

Advertised Vs Actual Product6%

Measurement/Reading Accuracy6%

Value For Money6%

Quality-Overall5%

Leak-Proof3%

Compatibility-Overall2%

Size-Overall2%

Common questions

Is pool testing strips profitable to sell on Amazon United Kingdom?: The niche generates £61K/yr across 17 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is >1,000%. Flapen's verdict: Worth a look (52/100).
How competitive is the pool testing strips niche?: 15 brands and 49 sellers compete. The top 5 products take 70% of clicks and top 5 brands hold 78% of demand.
What do buyers complain about in pool testing strips?: Top complaints mined from reviews: Quality-Overall, Functionality-Overall, Measurement/Reading Accuracy. The return rate is 0.2%.
When does demand for pool testing strips peak?: Demand peaks in May–Jun–Jul–Aug; the busiest month runs 24.2× the quietest.
What does it cost to enter the pool testing strips niche?: Listings span £4.19–£11.94; the average listing price is £7.66 (sweet spot $15–$100). The average incumbent carries 5,893 reviews — the moat a new listing must climb.