algae remover
Worth a lookShows low returns (0.1%), but soft demand (-60.0% this quarter) keeps it on the watch list.
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Brand share
Good62%top-5 brand share — brands hold most of the demand
Avg price
Good£14.50avg listing price — sweet spot $15–$100
Price range
Good£5.47–£33.15cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Good5.7%search→purchase rate — share of searches ending in a sale
Competition
Good53%top-5 click share — leaders hold, buyers still browse
Review moat
Bad4,364.16avg incumbent reviews — the moat a new listing must climb
Market size
Bad£94K£94K/yr · 115K searches
Growth
Bad-60.0%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, algae remover is a £94K/yr Amazon United Kingdom market (115K searches/yr). The top 5 brands hold 62% of demand. Demand peaks in Mar–Apr–May. Verdict: Worth a look — 51/100.
Data updated Jul 24, 2026 · scored weekly · How we score niches
algae remover market data
- Units sold / yr
- 8K–10K
- avg 250–500/product
- Revenue / yr
- £116K–£145K
- units × avg price
- Conversion rate
- 5.7%
- Avg BSR
- #128
- Page quality
- 0%
- Prime
- 68%
- Sponsored
- 92%
- Out of stock
- 1.5%
- Avg brand age
- 59 months
- Avg seller age
- 178 days
Competition & brand share
The top 5 products take 53% of clicks — established leaders, but buyers still shop beyond them.Brands
17 rising
Sellers
109
Top-5 brand share
62%
Top 20: 100%
Top-5 click share
53%
Top 20: 95%
Open market
31%
- Wet & Forget20%
- Furniture Clinic14%
- Pro-Kleen14%
- Patio Magic!8%
- Gardian7%
- ARKA7%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -60.0% search growth over the last 90 days.Peak months: Mar, Apr, May · busiest ÷ quietest = 8.4×
Top algae remover search terms
- algae remover57K/yr
- lichen remover8K/yr
- lichen remover patio cleaner4K/yr
- green algae remover7K/yr
- algae cleaner6K/yr
- algae fence remover3K/yr
- algae remover patio11K/yr
- green algae remover for fences3K/yr
- fence algae remover spray3K/yr
- patio algae remover5K/yr
Top algae remover 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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Wet & Forget Mould Lichen & Algae Remover Outdoor Patio Cleaner Black Spot Remover Bleach Free 5L
Wet & Forget£24.144.4★28,445 rev
Patio Cleaner (2.5L) Concentrate Makes 15L - Removes Green Staining & Algae - Great for Patios and Decking Driveways and Roofs - Green Growth Remover
Furniture Clinic£8.424.3★657 rev
Pro-Kleen MY16 Patio Cleaner Simply Spray and Walk Away Green Mould and Algae Killer for Patios Fencing and Decking 5 Litre Concentrate (Makes 25 litres)
Pro-Kleen£12.674.2★7,763 rev
Patio Magic! 16491 Concentrate: Ideal for Patios Paths and Driveways (Kills Algae and Lichens) 2.5 Litres
Patio Magic!£7.864.2★13,054 rev
Algae Remover - 1 Litre Fast Acting and Safe Algae and Lichen Remover - Patio Cleaner to Eliminate Algae Lichen and Other Similar Growths from Patios Decks Fences and Garden Paths
Gardian£12.604.1★161 rev
Newest
by launch date
One Chem Spray and Leave 5 Litre with added Long Hose Trigger Spray Ready To Use - Fencing Patio Decking Driveway - Green Algae and Mould Remover
One Chem£10.7054 rev
Patio Cleaner (2.5L) Concentrate Makes 15L - Removes Green Staining & Algae - Great for Patios and Decking Driveways and Roofs - Green Growth Remover
Furniture Clinic£8.42657 rev
Jarder Rapid Action Ultra Powerful Lichen Remover 5L Removes Lichen Black Spot White Spot Dirt Grime Algae Mould and More - Safe on All Stone Types
Jarder£16.5358 rev
Patio Cleaner Concentrate 5L Makes 30L - Green Stain Removal - For Patios Wood Decking or Fence Driveways Roofs & Block Paving Cleaning - Green Growth Remover
Furniture Clinic£15.70657 rev
Algae Remover - 1 Litre Fast Acting and Safe Algae and Lichen Remover - Patio Cleaner to Eliminate Algae Lichen and Other Similar Growths from Patios Decks Fences and Garden Paths
Gardian£12.60161 rev
Trending
90-day click momentum
Aquarium Algae Remover 118ml eliminates green hair & spot algae fast copper-free & plant safe clears water & protects fish prevents regrowth for freshwater tanks ARKA Algaway
ARKA£5.474.1★
Clearwater Algaecide Algae Remover for Swimming Pool and Spa Hot Tub Water Treatment Highly Effective Formula 1 Litre
Clearwater£8.574.5★
Pro-Kleen Ultimate Black Spot Remover and Destroyer for Patio Stone Block Paving Indian Sandstone and more. Easy to Use Fluid that Powers Through Stubborn Dirt & Grime (5 Litres)
Pro-Kleen£19.954.4★
Patio Cleaner (2.5L) Concentrate Makes 15L - Removes Green Staining & Algae - Great for Patios and Decking Driveways and Roofs - Green Growth Remover
Furniture Clinic£8.424.3★
Garden Xpert Algae Lichen & Mould Cleaner 5 litre Suitable for Patios Natural Stone Paving Slabs Decking Paths & Roofs Lasting Protection Ready to Use Pet Friendly Once Dry
Star Brite£14.064.0★
What buyers say about algae remover
What buyers praise and complain about, mined from review topics.What buyers love
“Decent stuff”
“This works well for cleaning my decking”
“Works as advertised”
“Easy to mix and use”
“Good price”
“Miracle spray”
“Seems to Work ok”
“Happy with the instructions for use”
“The best product to use in your garden”
“still going strong”
What buyers complain about
“Completely non effective”
“Spray function faulty”
“Just wish it was a bit cheaper”
“rubbish product”
“Doesnt clean anything”
“Not very clear on how to use”
“not a sign of any green at all”
“Waste of time”
“We now have stains where there weren't any”
“Doesn't do what it says”
Top return reasons
Common questions
- Is algae remover profitable to sell on Amazon United Kingdom?
- The niche generates £94K/yr across 25 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is -60.0%. Flapen's verdict: Worth a look (51/100).
- How competitive is the algae remover niche?
- 17 brands and 109 sellers compete. The top 5 products take 53% of clicks and top 5 brands hold 62% of demand.
- What do buyers complain about in algae remover?
- Top complaints mined from reviews: Functionality-Overall, Spray/Flow, Value For Money. The return rate is 0.1%.
- When does demand for algae remover peak?
- Demand peaks in Mar–Apr–May; the busiest month runs 8.4× the quietest.
- What does it cost to enter the algae remover niche?
- Listings span £5.47–£33.15; the average listing price is £14.50 (sweet spot $15–$100). The average incumbent carries 4,364 reviews — the moat a new listing must climb.