white spot treatment tropical fish
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible21.0%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.3%return rate — above 5% kills the launch gate
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Review moat
Okay3,498.71avg incumbent reviews — the moat a new listing must climb
Avg price
Okay£9.28avg listing price — sweet spot $15–$100
Market size
Bad£71K£71K/yr · 37K searches
Price range
Bad£3.74–£16.27cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Bad92%top-5 click share — a locked-up shelf
Growth
Bad-46.6%90-day search growth — must beat 0% to launch
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United Kingdom niche tracking, white spot treatment tropical fish is a £71K/yr Amazon United Kingdom market (37K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan–Feb. Verdict: Skip it — 31/100.
Data updated Jul 29, 2026 · scored weekly · How we score niches
white spot treatment tropical fish market data
- Units sold / yr
- 6K–8K
- avg 750–1,000/product
- Revenue / yr
- £56K–£74K
- units × avg price
- Conversion rate
- 21.0%
- Avg BSR
- #124
- Page quality
- 0%
- Prime
- 57%
- Sponsored
- 57%
- Out of stock
- 0.0%
- Avg brand age
- 98 months
- Avg seller age
- 177 days
Competition & brand share
The top 5 products capture 92% of clicks — a locked-up shelf that new listings rarely crack.Brands
3 falling
Sellers
23
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
92%
Top 20: 100%
Open market
0%
- API67%
- NT Labs20%
- Interpet13%
- Open — no brand owns it (0%)
Demand & seasonality
Weekly Amazon search volume, last 78 weeks — -46.6% search growth over the last 90 days.Peak months: Jan, Feb · busiest ÷ quietest = 2.1×
Top white spot treatment tropical fish search terms
- white spot treatment tropical fish24K/yr
- ich treatment for fish6K/yr
- white spot treatment3K/yr
- white spot treatment for goldfish3K/yr
Top white spot treatment tropical fish 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 7 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Api White Spot Cure 118ml
API£7.024.6★10,244 rev
Interpet Anti White Spot Aquarium Fish Treatment 100 ml clear
Interpet£3.744.5★1,976 rev
NT Labs Aquarium Anti White Spot & Fungus Treatment (100ml Treats 500L)
NT Labs£7.714.6★452 rev
NT Labs Aquarium Anti White Spot & Fungus Treatment (250ml Treats 1250L)
NT Labs£11.804.6★452 rev
3 x 118ml API Fish First Aid Disease Treatment Bundle Fish Medication Bottle
API£16.274.5★37 rev
Newest
by launch date
API Fish Medication & Aquarium Salt Bundle White Spot Cure 118ml + Salt 936g
API£10.480 rev
3 x 118ml API Fish First Aid Disease Treatment Bundle Fish Medication Bottle
API£16.2737 rev
NT Labs Aquarium Anti White Spot & Fungus Treatment (250ml Treats 1250L)
NT Labs£11.80452 rev
Interpet Anti White Spot Aquarium Fish Treatment 100 ml clear
Interpet£3.741,976 rev
NT Labs Aquarium Anti White Spot & Fungus Treatment (100ml Treats 500L)
NT Labs£7.71452 rev
Trending
90-day click momentumAPI Fish Medication & Aquarium Salt Bundle White Spot Cure 118ml + Salt 936g
API£10.480.0★
NT Labs Aquarium Anti White Spot & Fungus Treatment (250ml Treats 1250L)
NT Labs£11.804.6★
3 x 118ml API Fish First Aid Disease Treatment Bundle Fish Medication Bottle
API£16.274.5★
Api White Spot Cure 118ml
API£7.024.6★
Interpet Anti White Spot Aquarium Fish Treatment 100 ml clear
Interpet£3.744.5★
What buyers say about white spot treatment tropical fish
What buyers praise and complain about, mined from review topics.What buyers love
“Does exactly what it says”
“Excellent product”
“Fair price”
“I did everything according to the instructions”
“four weeks later all is well”
“it started swimming around again so Im very happy”
“it hasn't died”
“Treated my tank with ease”
What buyers complain about
“sand due to the pigment - as methylene blue does”
“He immediately became distressed and couldnt breathe”
“FOLLOWED INSTRUCTIONS AND WITHIN 6 HOURS ALL FISH WERE DEAD”
“No mixing other product because killing the fish”
“Used as per description, no results, like throwing freshwater in the tank”
“Clear and does not smell very nice”
“Used as per description, no results, like throwing freshwater in the tank”
Top return reasons
Common questions
- Is white spot treatment tropical fish profitable to sell on Amazon United Kingdom?
- The niche generates £71K/yr across 7 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -46.6%. Flapen's verdict: Skip it (31/100).
- How competitive is the white spot treatment tropical fish niche?
- 3 brands and 23 sellers compete. The top 5 products take 92% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in white spot treatment tropical fish?
- Top complaints mined from reviews: Color, Breathability, Instructions/User Manual/Troubleshooting. The return rate is 0.3%.
- When does demand for white spot treatment tropical fish peak?
- Demand peaks in Jan–Feb; the busiest month runs 2.1× the quietest.
- What does it cost to enter the white spot treatment tropical fish niche?
- Listings span £3.74–£16.27; the average listing price is £9.28 (sweet spot $15–$100). The average incumbent carries 3,499 reviews — the moat a new listing must climb.