Protein Skimmer
MaybeThe products selling today average only 3.9★. But demand is soft, at -22.5% this quarter, so Protein Skimmer is a Maybe.
- Flapen Score
- 52 / 100Top 42% of 3,978 Pet Supplies niches · +1 vs the category median of 5152
- Market size
- $276K/yr199K searches / yr
- 90-day growth
- -22.5%search demand this quarter
- Competition
- 40%top-5 click share · 27 brands · 57 sellers
Flapen Score
Protein Skimmer against its category
The dotted line is the Pet Supplies average. Past it, Protein Skimmer is stronger. Inside it, weaker.
Market
The Protein Skimmer market on Amazon at a glance
Shoppers on Amazon United States searched for Protein Skimmer 199K times last year and spent an estimated $276K. The top 5 brands take 50% of clicks. Flapen scores it 52 out of 100, a Maybe.
01 · Demand
An estimated 1.3% of those searches ended in a purchase.
Shoppers searched for this 199K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 1.3% of those searches ended in a purchase. Searches in the last 90 days moved -22.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated $276K a year.
- Searches, last 12 months
- 199K
- Growth, 90 days vs prior 90
- -22.5%
- Conversion, latest week
- 1.3%
- Market size, estimated
- $276Ka year
- Peak month
- January1.3× the quietest month
- Top search term
- protein skimmer77K searches a year
02 · Price
A sale here is worth $104.83.
Listings sell for $104.83 on average, from $11.77 to $297.15. Amazon reports units sold in ranges. This niche sold 2K to 3K a year. The average listing sells 0 to 100 of them. At $104.83 that is $0 to $10K a year per listing.
- Average price
- $104.83above the $15 to $100 sweet spot
- Price range
- $11.77–$297.15
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 2K–3K
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$10K
- Returns
- 7.9%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
72% of listings pay for placement with sponsored ads. 98% ship with Prime. On an average day, 15.4% of listings are out of stock. The average listing ranks #463 within Fish & Aquatic Pets. It carries 207 reviews at 3.88 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 72%
- Prime listings
- 98%
- Out of stock, average day
- 15.4%
- Average rank
- #463in Fish & Aquatic Pets
- Average rating
- 3.88 starsAmazon United States average 4.42 stars
- Average reviews
- 207per listing
- Listings tracked
- 43
04 · Newcomers
3 of last year's 9 launches cleared the first-year sales bar.
9 products launched here in the last 12 months. 3 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 65 months on average, so the names here are established.
- Launched, last 12 months
- 9
- Successful launches
- 3Amazon's first-year sales bar
- Average brand age
- 65 months
Products
Top Protein Skimmer 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
AQQA Aquarium Protein Skimmer for Saltwater Fish Tank Nano Surface Skimmer Filter Pump 79GPH Ultra Quiet for 50-80 Gallon Tank
- Price
- $35.14
- Rating
- 3.4/5
- Reviews
- 68
- Age
- 1y ago

IOAOI Protein Skimmers for Saltwater Aquariums Hang On Protein Skimmer for Fish Tanks up to 80 Gallons DC Pinwheel Pump with Controller Not for Rimmed Tank
- Price
- $97.34
- Rating
- 4.4/5
- Reviews
- 230
- Age
- 4y ago

Bubble Magus MiniQ Hang on Back Aquarium Filter Internal Hang on Back Canister Filter Nano Protein Skimmer Surface Skimmer Aquarium/Betta Pool Skimmer for coralife Fish Tank Saltwater Aquariums
- Price
- $77.43
- Rating
- 3.9/5
- Reviews
- 47
- Age
- 2y ago

Protein Skimmer for 50-100 Gallon Saltwater Aquarium DC Pump with Adjustable Flow Control Ultra Silent Operation (35dB) Compact Nano-Scale Design for Reef Tank Saltwater Tank
- Price
- $130.82
- Rating
- 4.7/5
- Reviews
- 8
- Age
- 7mo ago

OASE CrystalSkim 350 Surface Skimmer for Freshwater and Marine Aquariums Compact Internal Filter for Film Oil and Debris Removal Quiet Adjustable Flow Shrimp-Safe for Tanks up to 92 Gal / 350 L
- Price
- $33.16
- Rating
- 4.1/5
- Reviews
- 768
- Age
- 3y ago
Trending
estimated 90-day click momentum
Seawater Aquarium Protein Skimmer Suitable for Aquariums of 80 gallons or Less Also Applicable to Saltwater Coral Tanks. Built-in wall-Mounted Type
- Price
- $37.39
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 1mo ago

IOAOI Nano Protein Skimmer for Saltwater Aquariums DC Pinwheel Pump for 20 Gals Fish Tank Hang On Internal
- Price
- $78.35
- Rating
- 4.4/5
- Reviews
- 230
- Age
- 5mo ago

LANDOUJIAO Fish Tank Protein Skimmer Protein Skimmers for Saltwater Equipped with a DC Pump with Adjustable Flow Control Protein Skimmer the Maximum Capacity of the Aquarium can Reach 25 gallons.
- Price
- $40.77
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 3mo ago

Protein Skimmer for 50-100 Gallon Saltwater Aquarium DC Pump with Adjustable Flow Control Ultra Silent Operation (35dB) Compact Nano-Scale Design for Reef Tank Saltwater Tank
- Price
- $130.82
- Rating
- 4.7/5
- Reviews
- 8
- Age
- 7mo ago

IOAOI in Sump Protein Skimmer for Saltwater Aquarium Marine Reef Tanks
- Price
- $85.83
- Rating
- 4.4/5
- Reviews
- 26
- Age
- 7mo ago
Newest
by launch date
Seawater Aquarium Protein Skimmer Suitable for Aquariums of 80 gallons or Less Also Applicable to Saltwater Coral Tanks. Built-in wall-Mounted Type
- Price
- $37.39
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 1mo ago

LANDOUJIAO Fish Tank Protein Skimmer Protein Skimmers for Saltwater Equipped with a DC Pump with Adjustable Flow Control Protein Skimmer the Maximum Capacity of the Aquarium can Reach 25 gallons.
- Price
- $40.77
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 3mo ago

IOAOI Nano Protein Skimmer for Saltwater Aquariums DC Pinwheel Pump for 20 Gals Fish Tank Hang On Internal
- Price
- $78.35
- Rating
- 4.4/5
- Reviews
- 230
- Age
- 5mo ago

IOAOI in Sump Protein Skimmer for Saltwater Aquarium Marine Reef Tanks
- Price
- $85.83
- Rating
- 4.4/5
- Reviews
- 26
- Age
- 7mo ago

Protein Skimmer for 50-100 Gallon Saltwater Aquarium DC Pump with Adjustable Flow Control Ultra Silent Operation (35dB) Compact Nano-Scale Design for Reef Tank Saltwater Tank
- Price
- $130.82
- Rating
- 4.7/5
- Reviews
- 8
- Age
- 7mo ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 40% of clicks, no more. An open shelf where new products get seen.
Brands
27 flat
Sellers
57
Est. top-5 brand share
50%
Top 20: 95%
Est. top-5 click share
40%
Top 20: 78%
Open market
43%
- IOAOI17%
- AQQA11%
- MagTool9%
- Bubble Magus7%
- Coralife6%
- Aquatop6%
Demand
Protein Skimmer search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.3×
Search terms
Top Protein Skimmer search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- protein skimmer77K/yr
- protein skimmers for saltwater aquariums46K/yr
- nano protein skimmer18K/yr
- hang on back protein skimmer11K/yr
- hob protein skimmer10K/yr
- nano skimmer7K/yr
- protein skimmer hang on back6K/yr
- aquarium protein skimmer6K/yr
- bubble magus protein skimmer5K/yr
- mini protein skimmer4K/yr
Reviews and returns
What reviews say buyers love and hate about Protein Skimmer
We read the reviews and the return reasons for every product selling here.
“Died after 1 week”
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.
17 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 Protein Skimmer 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









