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52

water testing kits for drinking water

Worth a look

Shows low returns (0.6%), but soft demand (-14.4% this quarter) keeps it on the watch list.

Market size 22Growth 18Conversion 73Competition 39Returns 97Price range 75Avg price 58Brand share 68Review moat 34Quality gap 84

Returns

Incredible0.6%

return rate — above 5% kills the launch gate

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Price range

Great£4.91–£45.43

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

Conversion

Good6.8%

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

Brand share

Good64%

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

Avg price

Good£12.91

avg listing price — sweet spot $15–$100

Competition

Okay62%

top-5 click share — leaders hold, buyers still browse

Review moat

Okay3,127

avg incumbent reviews — the moat a new listing must climb

Market size

Bad£87K

£87K/yr · 100K searches

Growth

Bad-14.4%

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

According to Flapen's Amazon United Kingdom niche tracking, water testing kits for drinking water is a £87K/yr Amazon United Kingdom market (100K searches/yr). The top 5 brands hold 64% of demand. Verdict: Worth a look — 52/100.

Data updated Jul 21, 2026 · scored weekly · How we score niches

water testing kits for drinking water market data

Units sold / yr
6K–8K
avg 250–500/product
Revenue / yr
£77K–£103K
units × avg price
Conversion rate
6.8%
Avg BSR
#81
Page quality
0%
Prime
100%
Sponsored
95%
Out of stock
11.4%
Avg brand age
34 months
Avg seller age
196 days

Competition & brand share

The top 5 products take 62% of clicks — established leaders, but buyers still shop beyond them.

Brands

20 rising

Sellers

46

Top-5 brand share

64%

Top 20: 100%

Top-5 click share

62%

Top 20: 98%

Open market

32%

  • TESPERT21%
  • ausyde19%
  • VARIFY15%
  • Vikrami lighting5%
  • Generic5%
  • Watersafe4%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -14.4% search growth over the last 90 days.
3K2KSpike '24Prime Day '25Holiday '25SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.3×

Top water testing kits for drinking water search terms

  • water testing kits for drinking water28K/yr
  • drinking water test kit14K/yr
  • water test kit9K/yr
  • water testing kit22K/yr
  • water test kits7K/yr
  • lead water testing kit5K/yr
  • water quality test kit4K/yr
  • tap water test kit4K/yr
  • water test4K/yr
  • water testing kits3K/yr
All search terms

Top water testing kits for drinking water 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%£9K20%£17K30%£26K40%£35K1101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 22 tracked products in this niche — three views at once, no toggling.

What buyers say about water testing kits for drinking water

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

What buyers love

Ease Of Use31%

“Easy to use”

Value For Money12%

“Good price”

Advertised Vs Actual Product10%

“As described”

Instructions/User Manual/Troubleshooting9%

“Followed instructions exactly”

Quality-Overall9%

“The strips themselves feel well-made”

Water Resistance8%

“Great kit for water testing”

Efficiency6%

“Did the job very nicely”

Durability3%

“The case is very durable”

Color2%

“The colour chart is clear”

Certifications1%

“Great aquarium water test kit”

What buyers complain about

Functionality-Overall29%

“Did not work”

Value For Money11%

“Not worth it”

Quality-Overall9%

“Rubbish”

Color8%

“Some of the colours are very close to one another though so trying to determine the difference between good”

Ease Of Use8%

“NOT Easy to Use”

Filtration5%

“my filtered water is showing up as lesser quality than our tap water which makes no sense”

Contamination5%

“The test strips dont come close to the results you can get from liquid tests”

Water Resistance3%

“Our water softener threw a wobbly”

Strength3%

“It is a bit flimsy”

Leak-Proof3%

“identify a leak in the ground”

Top return reasons

Functionality-Overall47%
Defective Material/Parts11%
Color8%
Advertised Vs Actual Product8%
Quality-Overall4%
Instructions/User Manual/Troubleshooting4%
Value For Money3%
Certifications3%
Filtration2%
Battery Life2%

Common questions

Is water testing kits for drinking water profitable to sell on Amazon United Kingdom?
The niche generates £87K/yr across 22 tracked products. 1 of 5 products launched in the last 360 days are still selling. 90-day search growth is -14.4%. Flapen's verdict: Worth a look (52/100).
How competitive is the water testing kits for drinking water niche?
20 brands and 46 sellers compete. The top 5 products take 62% of clicks and top 5 brands hold 64% of demand.
What do buyers complain about in water testing kits for drinking water?
Top complaints mined from reviews: Functionality-Overall, Value For Money, Quality-Overall. The return rate is 0.6%.
When does demand for water testing kits for drinking water peak?
Demand is steady year-round — the busiest month runs 1.3× the quietest.
What does it cost to enter the water testing kits for drinking water niche?
Listings span £4.91–£45.43; the average listing price is £12.91 (sweet spot $15–$100). The average incumbent carries 3,127 reviews — the moat a new listing must climb.