Saltwater Aquarium
FailThe top 5 brands take 96% of clicks, so Saltwater Aquarium is a Fail.
- Flapen Score
- 49 / 100Ranks 2,168 of 3,978 Pet Supplies niches · −2 vs the category median of 5149
- Market size
- $739K/yr246K searches / yr
- 90-day growth
- +1.5%search demand this quarter
- Competition
- 78%top-5 click share · 7 brands · 27 sellers
Flapen Score
Saltwater Aquarium against its category
The dotted line is the Pet Supplies average. Past it, Saltwater Aquarium is stronger. Inside it, weaker.
Market
The Saltwater Aquarium market on Amazon at a glance
Shoppers on Amazon United States searched for Saltwater Aquarium 246K times last year and spent an estimated $739K. The top 5 brands take 96% of clicks. Flapen scores it 49 out of 100, a Fail.
01 · Demand
An estimated 8.7% of those searches ended in a purchase.
Shoppers searched for this 246K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 8.7% of those searches ended in a purchase. Searches in the last 90 days moved +1.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated $739K a year.
- Searches, last 12 months
- 246K
- Growth, 90 days vs prior 90
- +1.5%
- Conversion, latest week
- 8.7%
- Market size, estimated
- $739Ka year
- Peak month
- July1.5× the quietest month
- Top search term
- instant ocean52K searches a year
02 · Price
A sale here is worth $34.58.
Listings sell for $34.58 on average, from $8.94 to $75.64. Amazon reports units sold in ranges. This niche sold 20K to 25K a year. The average listing sells 1,500 to 2,000 of them. At $34.58 that is $52K to $69K a year per listing.
- Average price
- $34.58inside the $15 to $100 sweet spot
- Price range
- $8.94–$75.64
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 20K–25K
- Units per listing a year
- 1,500–2,000
- Revenue per listing a year
- $52K–$69K
- Returns
- 0.7%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
50% of listings pay for placement with sponsored ads. 83% ship with Prime. On an average day, 6.4% of listings are out of stock. The average listing ranks #106 within Fish & Aquatic Pets. It carries 5,514 reviews at 4.68 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 50%
- Prime listings
- 83%
- Out of stock, average day
- 6.4%
- Average rank
- #106in Fish & Aquatic Pets
- Average rating
- 4.68 starsAmazon United States average 4.42 stars
- Average reviews
- 5,514per listing
- Listings tracked
- 12
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 76 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
- 76 months
Products
Top Saltwater 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
Instant Ocean Sea Salt 50 Gallons For Marine Aquariums Fast Dissolving
- Price
- $21.40
- Rating
- 4.8/5
- Reviews
- 8,424
- Age
- 24y ago

Instant Ocean Reef Crystals Reef Salt For 50 Gallons Enriched Formulation For aquariums
- Price
- $25.00
- Rating
- 4.8/5
- Reviews
- 1,715
- Age
- 19y ago

Instant Ocean Reef Crystals Reef Salt For 160 Gallons Enriched Formulation For Aquariums
- Price
- $66.64
- Rating
- 4.7/5
- Reviews
- 5,985
- Age
- 19y ago

Instant Ocean Reef Crystals Reef Salt For 200 Gallons Enriched Formulation For Aquariums 25600 Fl Oz (Pack of 1)
- Price
- $75.64
- Rating
- 4.7/5
- Reviews
- 5,985
- Age
- 21y ago

Instant Ocean Sea Salt for Marine Fish Tank Aquariums Nitrate & Phosphate-Free
- Price
- $63.77
- Rating
- 4.8/5
- Reviews
- 8,424
- Age
- 22y ago
Trending
estimated 90-day click momentum
CTWPets Salty Spa Hermit Crab Salt Water Soaking Mix | Calcium and Trace Minerals
- Price
- $12.82
- Rating
- 4.5/5
- Reviews
- 28
- Age
- 2y ago

API AQUARIUM SALT Freshwater Aquarium Salt 36-Ounce Box
- Price
- $8.94
- Rating
- 4.7/5
- Reviews
- 23,796
- Age
- 22y ago

Instant Ocean Sea Salt for Marine Fish Tank Aquariums Nitrate & Phosphate-Free
- Price
- $63.77
- Rating
- 4.8/5
- Reviews
- 8,424
- Age
- 22y ago

Brackish Salt 300 g / 10.6 oz
- Price
- $10.43
- Rating
- 4.6/5
- Reviews
- 342
- Age
- 24y ago

Instant Ocean Sea Salt 50 Gallons For Marine Aquariums Fast Dissolving
- Price
- $21.40
- Rating
- 4.8/5
- Reviews
- 8,424
- Age
- 24y ago
Newest
by launch date
CTWPets Salty Spa Hermit Crab Salt Water Soaking Mix | Calcium and Trace Minerals
- Price
- $12.82
- Rating
- 4.5/5
- Reviews
- 28
- Age
- 2y ago

Coralife BioCube Aquarium Fish Tank Marine Salt 15 Gallon
- Price
- $14.36
- Rating
- 4.6/5
- Reviews
- 353
- Age
- 3y ago

Gargeer Hermit Crab Soaking Salt Ocean-Like Environment Includes Calcium and Trace Minerals No additives or Harmful Ingredients. for Optimal Health and Well-Being. Made in The USA. Enjoy !
- Price
- $14.57
- Rating
- 4.7/5
- Reviews
- 525
- Age
- 3y ago

Red Sea Coral Pro Reef Salt Mix Small Bucket - Makes 55 Gallons Complete Marine Saltwater Aquarium Advanced Formula Optimal Coral Health & Stability
- Price
- $47.10
- Rating
- 4.5/5
- Reviews
- 2,170
- Age
- 18y ago

Instant Ocean Reef Crystals Reef Salt For 160 Gallons Enriched Formulation For Aquariums
- Price
- $66.64
- Rating
- 4.7/5
- Reviews
- 5,985
- Age
- 19y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 78% of clicks. A locked shelf that new listings rarely crack.
Brands
7 flat
Sellers
27
Est. top-5 brand share
96%
Top 20: 100%
Est. top-5 click share
78%
Top 20: 100%
Open market
2%
- Instant Ocean84%
- Coralife4%
- Gargeer3%
- Red Sea2%
- CTWPets2%
- Seachem2%
- Open — no brand owns it (1 brand, 2%)
Demand
Saltwater Aquarium search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.5×
Search terms
Top Saltwater Aquarium search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- instant ocean52K/yr
- reef salt37K/yr
- instant ocean sea salt27K/yr
- marine salt17K/yr
- reef crystals17K/yr
- marine salt for aquarium11K/yr
- reef salt for aquarium6K/yr
- aquarium salt for saltwater tank11K/yr
- instant ocean reef crystals10K/yr
- salt for aquarium9K/yr
Reviews and returns
What reviews say buyers love and hate about Saltwater Aquarium
We read the reviews and the return reasons for every product selling here.
“cheaper on here than at Petco”
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.
19 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 Saltwater 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









