Is clearwater chlorine granules profitable to sell on Amazon United Kingdom?

The niche generates £104K/yr across 9 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +754.9%. Flapen's verdict: Skip it (49/100).

How competitive is the clearwater chlorine granules niche?

4 brands and 34 sellers compete. The top 5 products take 85% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in clearwater chlorine granules?

Top complaints mined from reviews: Leak-Proof, Size-Overall, Value For Money. The return rate is 0.1%.

When does demand for clearwater chlorine granules peak?

Demand peaks in Jun–Jul; the busiest month runs 27.0× the quietest.

What does it cost to enter the clearwater chlorine granules niche?

Listings span £7.20–£21.73; the average listing price is £12.91 (sweet spot $15–$100). The average incumbent carries 6,922 reviews — the moat a new listing must climb.

clearwater chlorine granules

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Growth

Incredible+754.9%

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

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Conversion

Incredible16.7%

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

Avg price

Good£12.91

avg listing price — sweet spot $15–$100

Price range

Okay£7.20–£21.73

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

Market size

Okay£104K

£104K/yr · 49K searches

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Review moat

Bad6,921.67

avg incumbent reviews — the moat a new listing must climb

Competition

Bad85%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Signals Trending

According to Flapen's Amazon United Kingdom niche tracking, clearwater chlorine granules is a £104K/yr Amazon United Kingdom market (49K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jun–Jul. Verdict: Skip it — 49/100.

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

clearwater chlorine granules market data

Units sold / yr: 8K–10K; avg 500–750/product
Revenue / yr: £103K–£129K; units × avg price
Conversion rate: 16.7%
Avg BSR: #6
Page quality: 0%
Prime: 44%
Sponsored: 89%
Out of stock: 3.9%
Avg brand age: 34 months
Avg seller age: 191 days

Competition & brand share

The top 5 products capture 85% of clicks — a locked-up shelf that new listings rarely crack.

Brands

4 falling

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

85%

Top 20: 100%

Open market

Clearwater88%
SUDS-ONLINE5%
SHATCHI4%
JOVS3%

Demand & seasonality

Weekly Amazon search volume, last 62 weeks — +754.9% search growth over the last 90 days.

Peak months: Jun, Jul · busiest ÷ quietest = 27.0×

Open Trend

Top clearwater chlorine granules search terms

clearwater chlorine granules26K/yr +640.5%15.6% conv.
clear water chlorine8K/yr >1,000%11.1% conv.
clearwater chlorine4K/yr >1,000%8.0% conv.
lazy spa chlorine granules4K/yr +422.8%16.3% conv.
clear water chlorine granules for hot tub3K/yr +294.8%16.0% conv.
clear water chlorine granules3K/yr >1,000%13.4% conv.

All search terms

Top clearwater chlorine granules 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 9 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Clearwater Chlorine Granules for Hot Tub Spa and Swimming Pool Water Treatment for Rapid Disinfecting and Cleaning 1 kg

Clearwater£10.534.8★280 rev

Clearwater Chlorine Granules for Hot Tub Spa and Swimming Pool Water Treatment for Rapid Disinfecting and Cleaning Jerry Can 5 kg

Clearwater£21.734.7★11,877 rev

Clearwater Water Clarifier for Hot tub Spa and Swimming Water Treatment for Pristine Crystal Clear Water (1L)

Clearwater£8.414.5★10,632 rev

Clearwater Chlorine Granules for Hot Tub Spa and Swimming Pool Water Treatment for Rapid Disinfecting and Cleaning Pail 5 kg White

Clearwater£21.124.7★11,877 rev

Clearwater 1 kg Multifunction Chlorine Tablets 4-in-1 Dispenser Tablets (Sanitiser Stabiliser Algaecide and Clarifier) for Pools and Hot Tubs 50 x 20 g White

Clearwater£12.564.6★16,217 rev

Newest

by launch date

Clearwater Chlorine Granules for Hot Tub Spa and Swimming Pool Water Treatment for Rapid Disinfecting and Cleaning 1 kg

Clearwater£10.53280 rev

10mo ago

JOVS Chlorine Granules 5kg : Stabilized Chemicals for Hot Tubs Pools and Spas - Swimming Cleverness for Rapid Disinfecting and Cleaning Spa Water Treatment.

JOVS£18.10481 rev

2y ago

1 Kg Stabilised Chlorine Granules Fast Dissolving Pool Spa Treatment

SHATCHI£7.201,101 rev

5y ago

Clearwater Chlorine Granules for Hot Tub Spa and Swimming Pool Water Treatment for Rapid Disinfecting and Cleaning Pail 5 kg White

Clearwater£21.1211,877 rev

6y ago

SUDS-ONLINE 500G Stabalised Chlorine Granules - Swimming Pool Chemicals & Spa

SUDS-ONLINE£9.131,950 rev

9y ago

What buyers say about clearwater chlorine granules

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

What buyers love

Value For Money25%

“Good price”

Advertised Vs Actual Product23%

“Just what I needed”

Quality-Overall21%

“Excellent product”

Ease Of Use8%

“Very easy to use with clear instructions”

Water Resistance4%

“it keeps the water crystal clear”

Ease Of Cleaning3%

“Keeping my hot tub nice and clean”

Durability2%

“Good quality and always reliable”

Strength2%

“Strong”

Instructions/User Manual/Troubleshooting2%

“Carefully Read The Instructions On The Container FIRST”

Pureness1%

“Clear Water”

What buyers complain about

Leak-Proof17%

“Good products from Clearwater however this was leaking”

Size-Overall13%

“Only negative is bottle is only 3/4 full so could be smaller”

Value For Money9%

“its cheap for a reason”

Smell8%

“I found it odd when it didn't have a chlorine smell”

Water Resistance8%

“if anything the water is cloudier than before putting in”

Functionality-Overall8%

“Didn't work”

Jamming/Clogging8%

“Clogs filter cartridges”

Quality-Overall4%

“its cheap for a reason”

Ease Of Cleaning4%

“It was right mess to clean it up”

Top return reasons

Leak-Proof24%

Advertised Vs Actual Product16%

Functionality-Overall16%

Size-Overall10%

Filtration6%

Smell4%

Value For Money3%

Product Condition3%

Water Resistance3%

Defective Material/Parts2%

Common questions

Is clearwater chlorine granules profitable to sell on Amazon United Kingdom?: The niche generates £104K/yr across 9 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +754.9%. Flapen's verdict: Skip it (49/100).
How competitive is the clearwater chlorine granules niche?: 4 brands and 34 sellers compete. The top 5 products take 85% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in clearwater chlorine granules?: Top complaints mined from reviews: Leak-Proof, Size-Overall, Value For Money. The return rate is 0.1%.
When does demand for clearwater chlorine granules peak?: Demand peaks in Jun–Jul; the busiest month runs 27.0× the quietest.
What does it cost to enter the clearwater chlorine granules niche?: Listings span £7.20–£21.73; the average listing price is £12.91 (sweet spot $15–$100). The average incumbent carries 6,922 reviews — the moat a new listing must climb.