Water Clarifier for Fish Tank
MaybeBuyers convert on 14.5% of searches. But the top 5 brands take 98% of clicks, so Water Clarifier for Fish Tank is a Maybe.
- Flapen Score
- 54 / 100Top 34% of 3,978 Pet Supplies niches · +3 vs the category median of 5154
- Market size
- $932K/yr247K searches / yr
- 90-day growth
- -10.2%search demand this quarter
- Competition
- 74%top-5 click share · 6 brands · 53 sellers
Flapen Score
Water Clarifier for Fish Tank against its category
The dotted line is the Pet Supplies average. Past it, Water Clarifier for Fish Tank is stronger. Inside it, weaker.
Market
The Water Clarifier for Fish Tank market on Amazon at a glance
Shoppers on Amazon United States searched for Water Clarifier for Fish Tank 247K times last year and spent an estimated $932K. The top 5 brands take 98% of clicks. Flapen scores it 54 out of 100, a Maybe.
01 · Demand
An estimated 14.5% of those searches ended in a purchase.
Shoppers searched for this 247K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 14.5% of those searches ended in a purchase. Searches in the last 90 days moved -10.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated $932K a year.
- Searches, last 12 months
- 247K
- Growth, 90 days vs prior 90
- -10.2%
- Conversion, latest week
- 14.5%
- Market size, estimated
- $932Ka year
- Peak month
- August1.5× the quietest month
- Top search term
- water clarifier for fish tank35K searches a year
02 · Price
A sale here is worth $26.07.
Listings sell for $26.07 on average, from $5.55 to $65.35. Amazon reports units sold in ranges. This niche sold 30K to 40K a year. The average listing sells 2,000 to 2,500 of them. At $26.07 that is $52K to $65K a year per listing.
- Average price
- $26.07inside the $15 to $100 sweet spot
- Price range
- $5.55–$65.35
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 30K–40K
- Units per listing a year
- 2,000–2,500
- Revenue per listing a year
- $52K–$65K
- Returns
- 1.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads and reviews.
92% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 5.6% of listings are out of stock. The average listing ranks #58 within Fish & Aquatic Pets. It carries 6,524 reviews at 4.38 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 92%
- Prime listings
- 100%
- Out of stock, average day
- 5.6%
- Average rank
- #58in Fish & Aquatic Pets
- Average rating
- 4.38 starsAmazon United States average 4.42 stars
- Average reviews
- 6,524per listing
- Listings tracked
- 13
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 66 months on average, so the names here are established.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 66 months
Products
Top Water Clarifier for Fish Tank products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 17, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
API ACCU-CLEAR Freshwater Aquarium Water Clarifier 8-Ounce Bottle
- Price
- $9.33
- Rating
- 4.6/5
- Reviews
- 20,098
- Age
- 19y ago

API ACCU-CLEAR Freshwater Aquarium Water Clarifier 4-Ounce Bottle
- Price
- $5.55
- Rating
- 4.6/5
- Reviews
- 20,098
- Age
- 22y ago

Aqueon Freshwater Aquarium Water Clarifier Clears Cloudy Fish Tank Water Safe to Use with Fish and Plants - 8 Ounces
- Price
- $7.26
- Rating
- 4.5/5
- Reviews
- 5,602
- Age
- 19y ago

KloudAway Freshwater Aquarium Water Clarifier - Clears Cloudy Water Water Clarifier for Fish Tank Made in USA Aquatic Experts (500 ml)
- Price
- $17.33
- Rating
- 4.4/5
- Reviews
- 2,497
- Age
- 7y ago

AC20 Power Filter 5-20 US Gal / 18-76 L - Fluval USA (fluvalaquatics.com)
- Price
- $34.78
- Rating
- 4.4/5
- Reviews
- 636
- Age
- 1y ago
Trending
estimated 90-day click momentum
MICROBE-LIFT Special Blend Aquarium Water Care Treatment Cleaner & Clarifier for Fresh and Saltwater Fish Tanks Reduces Maintenance & Helps with Aquarium Algae Control and Odor 4 Ounces (SBH04)
- Price
- $9.02
- Rating
- 4.3/5
- Reviews
- 1,446
- Age
- 18y ago

API POND ACCU-CLEAR Pond Water Clarifier 32-Ounce Bottle
- Price
- $23.01
- Rating
- 4.3/5
- Reviews
- 6,496
- Age
- 21y ago

API ACCU-CLEAR Freshwater Aquarium Water Clarifier 4-Ounce Bottle
- Price
- $5.55
- Rating
- 4.6/5
- Reviews
- 20,098
- Age
- 22y ago

AquaClear 70 Power Filter Fish Tank Filter for 40- to 70-Gallon Aquariums Black
- Price
- $65.35
- Rating
- 4.3/5
- Reviews
- 4,920
- Age
- 22y ago

API POND ACCU-CLEAR Pond Water Clarifier 16-Ounce Bottle
- Price
- $12.99
- Rating
- 4.3/5
- Reviews
- 6,496
- Age
- 19y ago
Newest
by launch date
AC20 Power Filter 5-20 US Gal / 18-76 L - Fluval USA (fluvalaquatics.com)
- Price
- $34.78
- Rating
- 4.4/5
- Reviews
- 636
- Age
- 1y ago

AC50 Power Filter 20-50 US Gal / 76-190 L - Fluval USA (fluvalaquatics.com)
- Price
- $51.47
- Rating
- 4.3/5
- Reviews
- 363
- Age
- 1y ago

KloudAway Freshwater Aquarium Water Clarifier - Clears Cloudy Water Water Clarifier for Fish Tank Made in USA Aquatic Experts (500 ml)
- Price
- $17.33
- Rating
- 4.4/5
- Reviews
- 2,497
- Age
- 7y ago

MICROBE-LIFT Special Blend Aquarium Water Care Treatment Cleaner & Clarifier for Fresh and Saltwater Fish Tanks Reduces Maintenance & Helps with Aquarium Algae Control and Odor 4 Ounces (SBH04)
- Price
- $9.02
- Rating
- 4.3/5
- Reviews
- 1,446
- Age
- 18y ago

Aqueon Freshwater Aquarium Water Clarifier Clears Cloudy Fish Tank Water Safe to Use with Fish and Plants - 8 Ounces
- Price
- $7.26
- Rating
- 4.5/5
- Reviews
- 5,602
- Age
- 19y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 74% of clicks. A locked shelf that new listings rarely crack.
Brands
6 falling
Sellers
53
Est. top-5 brand share
98%
Top 20: 100%
Est. top-5 click share
74%
Top 20: 100%
Open market
0%
- API58%
- Fluval19%
- Aqueon10%
- Aquatic Experts8%
- Tetra3%
- MICROBE-LIFT2%
- Open — no brand owns it (0%)
Demand
Water Clarifier for Fish Tank search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.5×
Search terms
Top Water Clarifier for Fish Tank search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- water clarifier for fish tank35K/yr
- aquarium water clarifier27K/yr
- aquaclear23K/yr
- fish tank water clarifier19K/yr
- aquaclear filter26K/yr
- accu clear12K/yr
- cloudy fish tank water fix20K/yr
- api accu clear8K/yr
- aquarium clear cloudy water6K/yr
- fish tank clear cloudy water8K/yr
Keep looking
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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 Water Clarifier for Fish Tank questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









