Algaecide for Swimming Pools
Algaecide for Swimming Pools shows demand growing >1,000% this quarter, but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.
Flapen Score
Is Algaecide for Swimming Pools profitable on Amazon?
According to Flapen's Amazon United Kingdom niche tracking, Algaecide for Swimming Pools is a £238K/yr Amazon United Kingdom market (96K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jun–Jul–Aug. Verdict: Worth a look — 52/100.
Algaecide for Swimming Pools: the Amazon niche in one read
Everything a seller checks before entering, in three answers.
Is the demand real?
Worth a look. Search demand moved >1,000% over the last 90 days and 22.2% of searches end in a purchase.
£238K
revenue / yr
Who owns the niche?
The top 5 brands hold 100% of demand, so 0% of the market is open.
0%
open market share
Is there a way in?
Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.4★ — the gap to enter on.
0/100
page quality · 7 products
Top Algaecide for Swimming Pools products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Top sellers
by 90-day click share
Clearwater Algaecide Algae Remover for Swimming Pool and Spa Hot Tub Water Treatment Highly Effective Formula 1 Litre
- Price
- £8.57
- Rating
- 4.5/5
- Reviews
- 7,492
- Age
- 18y ago

Pro-Kleen Pool Algaecide Algae Remover and Cleaner for Swimming Pools and Hot Tubs 5L Removes & Prevents Growth Treatment Long-Lasting Professional Formula For Clear Water
- Price
- £15.39
- Rating
- 4.4/5
- Reviews
- 1,536
- Age
- 10y ago

Dirtbusters Pro Pool Algaecide (5L) For Swimming Pools & Hot Tubs Concentrate Powerful Algae Remover & Prevention Treatment For Clean Crystal Clear Water
- Price
- £15.57
- Rating
- 4.4/5
- Reviews
- 357
- Age
- 3y ago

Clearwater Water Clarifier for Hot tub Spa and Swimming Water Treatment for Pristine Crystal Clear Water (1L)
- Price
- £8.41
- Rating
- 4.5/5
- Reviews
- 10,632
- Age
- 18y ago

SUDS-ONLINE Algaecide For Simming Pools Spas Hot Tubs (500ml)
- Price
- £6.83
- Rating
- 4.4/5
- Reviews
- 722
- Age
- 8y ago
Trending
90-day click momentum
SUDS-ONLINE Algaecide For Simming Pools Spas Hot Tubs (1L)
- Price
- £8.40
- Rating
- 4.4/5
- Reviews
- 722
- Age
- 8y ago

Clearwater Water Clarifier for Hot tub Spa and Swimming Water Treatment for Pristine Crystal Clear Water (1L)
- Price
- £8.41
- Rating
- 4.5/5
- Reviews
- 10,632
- Age
- 18y ago

Pro-Kleen Pool Algaecide Algae Remover and Cleaner for Swimming Pools and Hot Tubs 5L Removes & Prevents Growth Treatment Long-Lasting Professional Formula For Clear Water
- Price
- £15.39
- Rating
- 4.4/5
- Reviews
- 1,536
- Age
- 10y ago

Cleenly Pool Algae Remover - Removes & Prevents the Growth of Green in Water - Super Concentration and Long Lasting 5L
- Price
- £15.24
- Rating
- 4.4/5
- Reviews
- 564
- Age
- 6y ago

SUDS-ONLINE Algaecide For Simming Pools Spas Hot Tubs (500ml)
- Price
- £6.83
- Rating
- 4.4/5
- Reviews
- 722
- Age
- 8y ago
Newest
by launch date
Dirtbusters Pro Pool Algaecide (5L) For Swimming Pools & Hot Tubs Concentrate Powerful Algae Remover & Prevention Treatment For Clean Crystal Clear Water
- Price
- £15.57
- Rating
- 4.4/5
- Reviews
- 357
- Age
- 3y ago

Cleenly Pool Algae Remover - Removes & Prevents the Growth of Green in Water - Super Concentration and Long Lasting 5L
- Price
- £15.24
- Rating
- 4.4/5
- Reviews
- 564
- Age
- 6y ago

SUDS-ONLINE Algaecide For Simming Pools Spas Hot Tubs (500ml)
- Price
- £6.83
- Rating
- 4.4/5
- Reviews
- 722
- Age
- 8y ago

SUDS-ONLINE Algaecide For Simming Pools Spas Hot Tubs (1L)
- Price
- £8.40
- Rating
- 4.4/5
- Reviews
- 722
- Age
- 8y ago

Pro-Kleen Pool Algaecide Algae Remover and Cleaner for Swimming Pools and Hot Tubs 5L Removes & Prevents Growth Treatment Long-Lasting Professional Formula For Clear Water
- Price
- £15.39
- Rating
- 4.4/5
- Reviews
- 1,536
- Age
- 10y ago
Competition: brands, sellers & click share
The top 5 products capture 94% of clicks — a locked-up shelf that new listings rarely crack.
Brands
5 flat
Sellers
11
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
94%
Top 20: 100%
Open market
0%
- Clearwater61%
- Pro-Kleen16%
- Dirtbusters13%
- SUDS-ONLINE7%
- Cleenly4%
Algaecide for Swimming Pools demand & seasonality
Weekly search volume, with the niche's key stats alongside.
Peak months: Jun, Jul, Aug · busiest ÷ quietest = 116.4×
Top Algaecide for Swimming Pools search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.
- algaecide for swimming pools45K/yr
- pool algaecide12K/yr
- algaecide10K/yr
- clearwater algaecide8K/yr
- pool algae remover8K/yr
- swimming pool algaecide4K/yr
- algaecide for swimming pool2K/yr
- anti algae swimming pool treatment2K/yr
- clear water algaecide2K/yr
- algaecide for pool2K/yr
What reviews say buyers love and hate about Algaecide for Swimming Pools
What buyers mention most, as a share of all reviews.
What buyers love
98% of reviews“Excellent quality”
“Great value product for hot tubs, et cetera”
“Does everything it says”
“This is a very concentrated product”
“Strong”
What buyers complain about
97% of reviews“Did not find it effective”
“Don't waste your money or time”
“if anything the water is cloudier than before putting in”
“Not the best”
“Not working,followed instructions and nothing changed”
Algaecide for Swimming Pools return rate & reasons
Why buyers send it back, as a share of all return requests.
0.1%
Return rate
16%
Fixable by listing
The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.
Common Algaecide for Swimming Pools questions
The questions sellers ask about this niche, answered from the tracked metrics.
Best Flapen score
The highest-scoring niches we track right now, across every category.









