Is liquid chlorine profitable to sell on Amazon United Kingdom?

The niche generates £43K/yr across 20 tracked products. 3 of 4 products launched in the last 360 days are still selling. 90-day search growth is +510.5%. Flapen's verdict: Worth a look (63/100).

How competitive is the liquid chlorine niche?

14 brands and 18 sellers compete. The top 5 products take 59% of clicks and top 5 brands hold 68% of demand.

What do buyers complain about in liquid chlorine?

Top complaints mined from reviews: Functionality-Overall, Smell, Value For Money. The return rate is 0.1%.

When does demand for liquid chlorine peak?

Demand peaks in May–Jun–Jul–Aug; the busiest month runs 24.4× the quietest.

What does it cost to enter the liquid chlorine niche?

Listings span £7.29–£33.46; the average listing price is £18.85 (sweet spot $15–$100). The average incumbent carries 1,086 reviews — the moat a new listing must climb.

liquid chlorine

Worth a look

Shows demand growing +510.5% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Growth

Incredible+510.5%

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

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Avg price

Great£18.85

avg listing price — sweet spot $15–$100

Conversion

Good6.9%

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

Price range

Good£7.29–£33.46

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

Brand share

Good68%

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

Review moat

Good1,086

avg incumbent reviews — the moat a new listing must climb

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Competition

Okay59%

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

Market size

Bad£43K

£43K/yr · 33K searches

Signals Trending

According to Flapen's Amazon United Kingdom niche tracking, liquid chlorine is a £43K/yr Amazon United Kingdom market (33K searches/yr). The top 5 brands hold 68% of demand. Demand peaks in May–Jun–Jul–Aug. Verdict: Worth a look — 63/100.

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

liquid chlorine market data

Units sold / yr: 3K–3K; avg 100–250/product
Revenue / yr: £47K–£57K; units × avg price
Conversion rate: 6.9%
Avg BSR: #94
Page quality: 0%
Prime: 30%
Sponsored: 95%
Out of stock: 4.6%
Avg brand age: 47 months
Avg seller age: 197 days

Competition & brand share

The top 5 products take 59% of clicks — established leaders, but buyers still shop beyond them.

Brands

14 rising

Sellers

Top-5 brand share

68%

Top 20: 100%

Top-5 click share

59%

Top 20: 100%

Open market

23%

Clearwater20%
Chemiphase15%
ChlorineXpress13%
Liquipak10%
Jennychem Industrial Chemicals10%
Dirtbusters9%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +510.5% search growth over the last 90 days.

Peak months: May, Jun, Jul, Aug · busiest ÷ quietest = 24.4×

Open Trend

Top liquid chlorine search terms

liquid chlorine14K/yr +298.4%5.6% conv.
liquid chlorine for swimming pool10K/yr >1,000%7.9% conv.
chlorine liquid for swimming pool4K/yr >1,000%7.7% conv.
chlorine liquid4K/yr +251.5%6.4% conv.

All search terms

Top liquid chlorine 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 20 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

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

Clearwater£8.414.5★10,632 rev

ChlorForce M15 Liquid Swimming Pool Chlorine Sodium Hypochlorite Effective Water Sanitiser & Algae Control Pool Shock Treatment 4 x 5 Litres (20L)

Chemiphase£29.964.5★129 rev

Dirtbusters Pro Pool Algaecide (5L) For Swimming Pools & Hot Tubs Concentrate Powerful Algae Remover & Prevention Treatment For Clean Crystal Clear Water

Dirtbusters£15.574.4★357 rev

Liquid Chlorine 5 Litres | Professional Swimming Pool Disinfectant | Chlorine Xpress | Fast Acting High Strength Pool Chlorine

ChlorineXpress£20.693.6★4 rev

Jennychem Sodium Hypochlorite Solution 14-15% Powerful Swimming Pool Chlorine Patio Cleaner Transform Your Outdoor Space (5L)

Jennychem Industrial Chemicals£14.704.5★952 rev

Newest

by launch date

PristiClear Chlorine Granules 1kg Fast Dissolving Chlorine Granules for Hot Tub & Swimming Pool Sanitiser for Crystal Clear Water | Premium Treatment for Pools Lazy Spa & Hot Tubs

Topline£12.59110 rev

3mo ago

Liquid Chlorine 5 Litres | Professional Swimming Pool Disinfectant | Chlorine Xpress | Fast Acting High Strength Pool Chlorine

ChlorineXpress£20.694 rev

4mo ago

Liquid Chlorine 10 Litres 1415% Sodium Hypochlorite Pool Shock Treatment - Chlorine Xpress Fast Acting Swimming Pool Disinfectant for Domestic & Commercial Pools

ChlorineXpress£33.464 rev

4mo ago

Chlorine Liquid for Swimming Pools Multifunctional Pool Chlorine Granules for Hot Tub Pool Hygiene No Chlorine Odor Swimming Pool Purifier For Rapid Disinfecting Clear Water Eliminating Odors

Xutanek£7.296 rev

7mo 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

What buyers say about liquid chlorine

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

What buyers love

Quality-Overall24%

“Amazing product never thought my patio would look this good again”

Ease Of Cleaning24%

“Useful cleaner”

Value For Money14%

“great value for money”

Advertised Vs Actual Product11%

“Works as advertised”

Ease Of Use8%

“Very easy to use with clear instructions”

Strength5%

“Excellent strength works as wanted”

Smell2%

“Nice fresh disinfectant smell after work carried out”

Water Resistance1%

“the water in our pool is crystal clear”

Product Condition1%

“Made them brand new”

Instructions/User Manual/Troubleshooting1%

“Very easy to use with clear instructions”

What buyers complain about

Functionality-Overall10%

“Absolutely no effect”

Smell9%

“Smells very strong”

Value For Money8%

“not the cheapest at this volume”

Instructions/User Manual/Troubleshooting7%

“No instructions”

Leak-Proof7%

“Arrived leaking everywhere and has removed all writing and instructions”

Ease Of Cleaning6%

“Since my paving was quite dirty”

Advertised Vs Actual Product6%

“Doesn't do what it advertised”

Water Resistance5%

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

Quality-Overall5%

“Cant believe they havent got a lower product rating”

Color5%

“Pool is no longer green”

Top return reasons

Leak-Proof30%

Functionality-Overall17%

Advertised Vs Actual Product14%

Filtration6%

Size-Overall5%

Smell4%

Instructions/User Manual/Troubleshooting4%

Water Resistance3%

Thin3%

Moist/Dry3%

Common questions

Is liquid chlorine profitable to sell on Amazon United Kingdom?: The niche generates £43K/yr across 20 tracked products. 3 of 4 products launched in the last 360 days are still selling. 90-day search growth is +510.5%. Flapen's verdict: Worth a look (63/100).
How competitive is the liquid chlorine niche?: 14 brands and 18 sellers compete. The top 5 products take 59% of clicks and top 5 brands hold 68% of demand.
What do buyers complain about in liquid chlorine?: Top complaints mined from reviews: Functionality-Overall, Smell, Value For Money. The return rate is 0.1%.
When does demand for liquid chlorine peak?: Demand peaks in May–Jun–Jul–Aug; the busiest month runs 24.4× the quietest.
What does it cost to enter the liquid chlorine niche?: Listings span £7.29–£33.46; the average listing price is £18.85 (sweet spot $15–$100). The average incumbent carries 1,086 reviews — the moat a new listing must climb.