Pond Sealant
MaybeReturns run at only 0.7% of orders. But shoppers spend only $25K a year here, so Pond Sealant is a Maybe.
- Flapen Score
- 53 / 100Top 29% of 2,225 DIY & Tools niches · +4 vs the category median of 4953
- Market size
- £25K/yr23K searches / yr
- 90-day growth
- +97.0%search demand this quarter
- Competition
- 76%top-5 click share · 10 brands · 55 sellers
Flapen Score
Pond Sealant against its category
The dotted line is the DIY & Tools average. Past it, Pond Sealant is stronger. Inside it, weaker.
Market
The Pond Sealant market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Pond Sealant 23K times last year and spent an estimated £25K. The top 5 brands take 89% of clicks. Flapen scores it 53 out of 100, a Maybe.
01 · Demand
7.6% of searches ended in a purchase last week.
Shoppers searched for this 23K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. In the latest week, 7.6% of those searches ended in a purchase. Searches in the last 90 days moved +97.0% against the 90 days before. Searches, conversion and average price together put the market at an estimated £25K a year.
- Searches, last 12 months
- 23K
- Growth, 90 days vs prior 90
- +97.0%
- Conversion, latest week
- 7.6%
- Market size, estimated
- £25Ka year
- Top search term
- pond sealant10K searches a year
02 · Price
A sale here is worth £14.09.
Listings sell for £14.09 on average, from £4.32 to £41.43. Amazon reports units sold in ranges. This niche sold 2K to 2K a year. The average listing sells 100 to 250 of them. At £14.09 that is £1K to £4K a year per listing.
- Average price
- £14.09under the $15 to $100 sweet spot
- Price range
- £4.32–£41.43
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 2K–2K
- Units per listing a year
- 100–250
- Revenue per listing a year
- £1K–£4K
- Returns
- 0.7%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is reviews.
79% of listings pay for placement with sponsored ads. 86% ship with Prime. On an average day, 0.4% of listings are out of stock. The average listing ranks #468 within Adhesives & Sealers. It carries 1,788 reviews at 4.34 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 79%
- Prime listings
- 86%
- Out of stock, average day
- 0.4%
- Average rank
- #468in Adhesives & Sealers
- Average rating
- 4.34 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 1,788per listing
- Listings tracked
- 14
04 · Newcomers
Amazon counts 0 of last year's 3 launches as successful.
3 products launched here in the last 12 months. Amazon counts 0 of them as successful launches, new products that hit its first-year sales bar. The brands on the shelf have sold for 48 months on average, so the names here are settling in.
- Launched, last 12 months
- 3
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 48 months
Products
Top Pond Sealant products & what they sell for
Every tracked product: its share of the shelf, its reviews, and its price.
Top sellers
by 90-day click share
MyPond MS300 Marine Sealant Window Sealer Pond Sealer for Leaks Concrete Glass Metal MS Polymer Adhesive 4x Stronger than Aquarium Silicone Caulking Black Pond Liner Marine Adhesive Sealant 300ml
- Price
- £13.18
- Rating
- 4.5/5
- Reviews
- 363
- Age
- 2y ago

Bonda G4 Pond Sealer Clear 500g
- Price
- £14.26
- Rating
- 4.4/5
- Reviews
- 752
- Age
- 14y ago

Gold Label Underwater Sealant 290 ml Black
- Price
- £16.30
- Rating
- 4.4/5
- Reviews
- 901
- Age
- 16y ago

MyPond MS300 Marine Sealant Clear Window Sealer Pond Sealer for Leaks Concrete Glass Metal MS Polymer Adhesive 4x Stronger than Aquarium Silicone Caulking Pond Liner Adhesive Clear Sealant 300ml
- Price
- £14.01
- Rating
- 4.4/5
- Reviews
- 193
- Age
- 1y ago

Fish Tank & Pond Repair Adhesive Clear Silicone Sealant Waterproof Instant Leak Repair Glue for Aquariums Strong Transparent Seam Sealer Transparent Safe Formula Long-Lasting Protection Easy to Use
- Price
- £4.32
- Rating
- 3.9/5
- Reviews
- 11
- Age
- 9mo ago
Trending
90-day click momentum
Liquid Waterproof Sealant Clear TUFINEIN Invisible Anti-Leaking Sealant Agent Transparent Waterproof Coating Water-Based Indoor & Outdoor Roofs Walls Garden Anti Leakage Agent (300 G)
- Price
- £7.64
- Rating
- 4.4/5
- Reviews
- 4,231
- Age
- 11mo ago

Tapel CrystalClear 500% Elastic Waterproof Coating - 0.5L - Self-Leveling Liquid Rubber Sealant for Roofs/Pools/Bathrooms - UV-Resistant & -40F to 300F - Professional Leak Repair
- Price
- £10.40
- Rating
- 4.1/5
- Reviews
- 439
- Age
- 1y ago

Fish Tank & Pond Repair Adhesive Clear Silicone Sealant Waterproof Instant Leak Repair Glue for Aquariums Strong Transparent Seam Sealer Transparent Safe Formula Long-Lasting Protection Easy to Use
- Price
- £4.32
- Rating
- 3.9/5
- Reviews
- 11
- Age
- 9mo ago

Hupeyna Liquid Waterproof Sealant Invisible Water Proof Agent Anti-Leakage Repairing Transparent Waterproof Coating Indoor and Outdoor Water-Based Waterproofing Glue 1L
- Price
- £17.29
- Rating
- 4.5/5
- Reviews
- 350
- Age
- 1y ago

Bonda G4 Pond Sealer Clear 500g
- Price
- £14.26
- Rating
- 4.4/5
- Reviews
- 752
- Age
- 14y ago
Newest
by launch date
Fish Tank & Pond Repair Adhesive Clear Silicone Sealant Waterproof Instant Leak Repair Glue for Aquariums Strong Transparent Seam Sealer Transparent Safe Formula Long-Lasting Protection Easy to Use
- Price
- £4.32
- Rating
- 3.9/5
- Reviews
- 11
- Age
- 9mo ago

60ML Underwater Aquarium Sealant Aquarium Repair Adhesive Fish Tank Sealant Waterproof Glue for Repairing Leak in Fish Tank Aquar/ium Safe Glue Strong Water-Resistant Adhesive Clear Silicone Seala/nt
- Price
- £5.16
- Rating
- 4.2/5
- Reviews
- 46
- Age
- 11mo ago

Liquid Waterproof Sealant Clear TUFINEIN Invisible Anti-Leaking Sealant Agent Transparent Waterproof Coating Water-Based Indoor & Outdoor Roofs Walls Garden Anti Leakage Agent (300 G)
- Price
- £7.64
- Rating
- 4.4/5
- Reviews
- 4,231
- Age
- 11mo ago

Hupeyna Liquid Waterproof Sealant Invisible Water Proof Agent Anti-Leakage Repairing Transparent Waterproof Coating Indoor and Outdoor Water-Based Waterproofing Glue 1L
- Price
- £17.29
- Rating
- 4.5/5
- Reviews
- 350
- Age
- 1y ago

MyPond MS300 Marine Sealant Clear Window Sealer Pond Sealer for Leaks Concrete Glass Metal MS Polymer Adhesive 4x Stronger than Aquarium Silicone Caulking Pond Liner Adhesive Clear Sealant 300ml
- Price
- £14.01
- Rating
- 4.4/5
- Reviews
- 193
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take 76% of clicks. A locked shelf that new listings rarely crack.
Brands
10 falling
Sellers
55
Top-5 brand share
89%
Top 20: 100%
Top-5 click share
76%
Top 20: 100%
Open market
8%
- MyPond38%
- Bonda31%
- Gold Label11%
- Luyrlix6%
- Tapel4%
- OKMINI2%
- Open — no brand owns it (4 brands, 8%)
Search terms
Top Pond Sealant search terms shoppers use
The exact words shoppers type, with yearly volume, growth, and conversion.
- pond sealant10K/yr
- pond sealant waterproof fish safe5K/yr
- pond sealer4K/yr
- underwater sealant4K/yr
Reviews and returns
What reviews say buyers love and hate about Pond Sealant
What buyers praise, what they complain about and why they send it back, from the reviews.
Complain
Did not work
Did not work on my pool did exactly what it said
Very poor and very expensive as it doesn't work don't buy
being adhesive only time will tell
didn't stick to anything
This was really difficult to use as it was hard to push out of the plunger and very sticky
very disappointing especially at this price
Rather expensive for a small amount of product
Expensive
leak still there
it was dripping constantly
Leaky fountain
White, not clear,
This is not 'clear' it is white
Its white not transparent
Love
Great stuff, like cement
this item being very good in comparing market
Excellent product
It did the job
As described
Worked just as it was supposed on first use
The glue worked very well
Its stickiness is pretty good
STICKS VERY WELL
Waterproofed trough
Great water proofing
Waterproof
Easy to use
So handy
Easy to use, just brush on, 2 coats ideal, no strong odours, quick drying
Return
0.7% Return rate 44% Fixable by listing
White, not clear,
This is not 'clear' it is white
Its white not transparent
leak still there
it was dripping constantly
Leaky fountain
Advert and product have contradicting suitable materials
Does say this in the description on Amazon. But the label states DO NOT USE WITH EPDM.
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Pond Sealant questions
Answered from the same tracked data.








