Phosphate Remover Aquarium
FailThe top 5 brands take 100% of clicks, so Phosphate Remover Aquarium is a Fail.
- Flapen Score
- 45 / 100Ranks 2,799 of 3,978 Pet Supplies niches · −6 vs the category median of 5145
- Market size
- $156K/yr45K searches / yr
- 90-day growth
- -2.9%search demand this quarter
- Competition
- 81%top-5 click share · 3 brands · 29 sellers
Flapen Score
Phosphate Remover Aquarium against its category
The dotted line is the Pet Supplies average. Past it, Phosphate Remover Aquarium is stronger. Inside it, weaker.
Market
The Phosphate Remover Aquarium market on Amazon at a glance
Shoppers on Amazon United States searched for Phosphate Remover Aquarium 45K times last year and spent an estimated $156K. All 3 brands take every click. Demand peaks in Oct–Nov–Dec. Flapen scores it 45 out of 100, a Fail.
01 · Demand
An estimated 15.9% of those searches ended in a purchase.
Shoppers searched for this 45K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 15.9% of those searches ended in a purchase. Searches in the last 90 days moved -2.9% against the 90 days before. Searches, conversion and average price together put the market at an estimated $156K a year.
- Searches, last 12 months
- 45K
- Growth, 90 days vs prior 90
- -2.9%
- Conversion, latest week
- 15.9%
- Market size, estimated
- $156Ka year
- Peak month
- October2.8× the quietest month
- Top search term
- phosguard15K searches a year
02 · Price
A sale here is worth $21.73.
Listings sell for $21.73 on average, from $5.43 to $60.10. Amazon reports units sold in ranges. This niche sold 6K to 8K a year. The average listing sells 750 to 1,000 of them. At $21.73 that is $16K to $22K a year per listing.
- Average price
- $21.73inside the $15 to $100 sweet spot
- Price range
- $5.43–$60.10
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 6K–8K
- Units per listing a year
- 750–1,000
- Revenue per listing a year
- $16K–$22K
- Returns
- 0.5%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
40% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #260 within Fish & Aquatic Pets. It carries 1,725 reviews at 4.55 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 40%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #260in Fish & Aquatic Pets
- Average rating
- 4.55 starsAmazon United States average 4.42 stars
- Average reviews
- 1,725per listing
- Listings tracked
- 10
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 123 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
- 123 months
Products
Top Phosphate Remover Aquarium 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
Seachem PhosGuard 100 mL bagged - 67101850
- Price
- $5.43
- Rating
- 4.6/5
- Reviews
- 2,001
- Age
- 20y ago

PhosGuard 2 L / 67.6 oz.
- Price
- $31.42
- Rating
- 4.5/5
- Reviews
- 1,707
- Age
- 24y ago

Seachem PhosGuard 1 Liter
- Price
- $24.31
- Rating
- 4.6/5
- Reviews
- 1,541
- Age
- 24y ago

Seachem PhosGuard 500ml
- Price
- $16.61
- Rating
- 4.6/5
- Reviews
- 1,237
- Age
- 22y ago

Seachem PhosGuard 250ml
- Price
- $7.16
- Rating
- 4.5/5
- Reviews
- 1,707
- Age
- 22y ago
Trending
estimated 90-day click momentum
Brightwell Aquatics Phospht-E Phosphate Remover for Reef Aquariums 250 ml
- Price
- $30.23
- Rating
- 4.6/5
- Reviews
- 926
- Age
- 13y ago

PhosGuard 4 L / 1 gal.
- Price
- $60.10
- Rating
- 4.5/5
- Reviews
- 1,707
- Age
- 24y ago

Seachem PhosBond Phosphate Silicate Remover Aquarium Filter Media 250ml
- Price
- $12.52
- Rating
- 4.4/5
- Reviews
- 326
- Age
- 11y ago

Seachem PhosGuard 1 Liter
- Price
- $24.31
- Rating
- 4.6/5
- Reviews
- 1,541
- Age
- 24y ago

Seachem PhosGuard 100 mL bagged - 67101850
- Price
- $5.43
- Rating
- 4.6/5
- Reviews
- 2,001
- Age
- 20y ago
Newest
by launch date
Seachem PhosBond Phosphate Silicate Remover Aquarium Filter Media 250ml
- Price
- $12.52
- Rating
- 4.4/5
- Reviews
- 326
- Age
- 11y ago

Brightwell Aquatics Phospht-E Phosphate Remover for Reef Aquariums 250 ml
- Price
- $30.23
- Rating
- 4.6/5
- Reviews
- 926
- Age
- 13y ago

Brightwell Aquatics Phospht-E Phosphate Remover for Reef Aquariums 125 ml
- Price
- $22.04
- Rating
- 4.6/5
- Reviews
- 926
- Age
- 16y ago

Seachem PhosGuard 100 mL bagged - 67101850
- Price
- $5.43
- Rating
- 4.6/5
- Reviews
- 2,001
- Age
- 20y ago

Seachem PhosGuard 250ml
- Price
- $7.16
- Rating
- 4.5/5
- Reviews
- 1,707
- Age
- 22y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 81% of clicks. A locked shelf that new listings rarely crack.
Brands
3 falling
Sellers
29
Est. top-5 brand share
100%
Top 20: 100%
Est. top-5 click share
81%
Top 20: 100%
Open market
0%
- Seachem90%
- Brightwell Aquatics5%
- Fluval5%
Demand
Phosphate Remover Aquarium search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Oct, Nov, Dec · busiest ÷ quietest = 2.8×
Search terms
Top Phosphate Remover Aquarium search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- phosguard15K/yr
- seachem phosguard10K/yr
- phosphate remover aquarium11K/yr
- phosguard for aquarium5K/yr
- aquarium phosphate remover4K/yr
Reviews and returns
What reviews say buyers love and hate about Phosphate Remover Aquarium
We read the reviews and the return reasons for every product selling here.
“Doesn't work”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
18 topics
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 Phosphate Remover Aquarium 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









