Aquarium Salt for Saltwater Tank
FailThe top 5 brands take 98% of clicks, so Aquarium Salt for Saltwater Tank is a Fail.
- Flapen Score
- 41 / 100Ranks 3,275 of 3,978 Pet Supplies niches · −10 vs the category median of 5141
- Market size
- $150K/yr55K searches / yr
- 90-day growth
- -10.0%search demand this quarter
- Competition
- 74%top-5 click share · 6 brands · 25 sellers
Flapen Score
Aquarium Salt for Saltwater Tank against its category
The dotted line is the Pet Supplies average. Past it, Aquarium Salt for Saltwater Tank is stronger. Inside it, weaker.
Market
The Aquarium Salt for Saltwater Tank market on Amazon at a glance
Shoppers on Amazon United States searched for Aquarium Salt for Saltwater Tank 55K times last year and spent an estimated $150K. The top 5 brands take 98% of clicks. Flapen scores it 41 out of 100, a Fail.
01 · Demand
An estimated 7.8% of those searches ended in a purchase.
Shoppers searched for this 55K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 7.8% of those searches ended in a purchase. Searches in the last 90 days moved -10.0% against the 90 days before. Searches, conversion and average price together put the market at an estimated $150K a year.
- Searches, last 12 months
- 55K
- Growth, 90 days vs prior 90
- -10.0%
- Conversion, latest week
- 7.8%
- Market size, estimated
- $150Ka year
- Peak month
- August1.2× the quietest month
- Top search term
- marine salt for aquarium11K searches a year
02 · Price
A sale here is worth $35.60.
Listings sell for $35.60 on average, from $4.08 to $75.64. Amazon reports units sold in ranges. This niche sold 4K to 5K a year. The average listing sells 250 to 500 of them. At $35.60 that is $9K to $18K a year per listing.
- Average price
- $35.60inside the $15 to $100 sweet spot
- Price range
- $4.08–$75.64
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 4K–5K
- Units per listing a year
- 250–500
- Revenue per listing a year
- $9K–$18K
- Returns
- 0.7%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
36% of listings pay for placement with sponsored ads. 82% ship with Prime. On an average day, 5.9% of listings are out of stock. The average listing ranks #113 within Fish & Aquatic Pets. It carries 5,991 reviews at 4.71 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 36%
- Prime listings
- 82%
- Out of stock, average day
- 5.9%
- Average rank
- #113in Fish & Aquatic Pets
- Average rating
- 4.71 starsAmazon United States average 4.42 stars
- Average reviews
- 5,991per listing
- Listings tracked
- 11
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 103 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
- 103 months
Products
Top Aquarium Salt for Saltwater 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
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 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 50 Gallons Enriched Formulation For aquariums
- Price
- $25.00
- Rating
- 4.8/5
- Reviews
- 1,715
- Age
- 19y ago

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

API AQUARIUM SALT Freshwater Aquarium Salt 36-Ounce Box
- Price
- $8.94
- Rating
- 4.7/5
- Reviews
- 23,796
- Age
- 22y ago
Trending
estimated 90-day click momentum
API AQUARIUM SALT Freshwater Aquarium Salt 36-Ounce Box
- Price
- $8.94
- Rating
- 4.7/5
- Reviews
- 23,796
- Age
- 22y ago

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

Tetra Aquarium Salt for Freshwater Fish Tanks 16 Ounces Salt for Tropical and Goldfish Aquariums Enhances the Health of Your Aquatic Pets
- Price
- $4.08
- Rating
- 4.8/5
- Reviews
- 282
- Age
- 1y ago

Brackish Salt 300 g / 10.6 oz
- Price
- $10.43
- Rating
- 4.6/5
- Reviews
- 342
- Age
- 24y 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
Newest
by launch date
Tetra Aquarium Salt for Freshwater Fish Tanks 16 Ounces Salt for Tropical and Goldfish Aquariums Enhances the Health of Your Aquatic Pets
- Price
- $4.08
- Rating
- 4.8/5
- Reviews
- 282
- Age
- 1y ago

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

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
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
25
Est. top-5 brand share
98%
Top 20: 100%
Est. top-5 click share
74%
Top 20: 100%
Open market
0%
- Instant Ocean71%
- Coralife9%
- API8%
- Seachem5%
- Red Sea5%
- Tetra2%
- Open — no brand owns it (0%)
Demand
Aquarium Salt for Saltwater Tank search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.2×
Search terms
Top Aquarium Salt for Saltwater Tank search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- marine salt for aquarium11K/yr
- aquarium salt for saltwater tank11K/yr
- salt for aquarium9K/yr
- salt for saltwater aquarium6K/yr
- saltwater aquarium salt5K/yr
- ocean salt4K/yr
- saltwater salt4K/yr
- reef salt mix for saltwater aquarium5K/yr
Reviews and returns
What reviews say buyers love and hate about Aquarium Salt for Saltwater Tank
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 Aquarium Salt for Saltwater 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









