Air Stone
MaybePrices already span $3.73–$79.12, with room to position. But demand is soft, at -11.2% this quarter, so Air Stone is a Maybe.
- Flapen Score
- 57 / 100Top 22% of 3,978 Pet Supplies niches · +6 vs the category median of 5157
- Market size
- $612K/yr749K searches / yr
- 90-day growth
- -11.2%search demand this quarter
- Competition
- 41%top-5 click share · 17 brands · 23 sellers
Flapen Score
Air Stone against its category
The dotted line is the Pet Supplies average. Past it, Air Stone is stronger. Inside it, weaker.
Market
The Air Stone market on Amazon at a glance
Shoppers on Amazon United States searched for Air Stone 749K times last year and spent an estimated $612K. The top 5 brands take 83% of clicks. Flapen scores it 57 out of 100, a Maybe.
01 · Demand
An estimated 5.9% of those searches ended in a purchase.
Shoppers searched for this 749K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 5.9% of those searches ended in a purchase. Searches in the last 90 days moved -11.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated $612K a year.
- Searches, last 12 months
- 749K
- Growth, 90 days vs prior 90
- -11.2%
- Conversion, latest week
- 5.9%
- Market size, estimated
- $612Ka year
- Peak month
- March1.3× the quietest month
- Top search term
- air stones for aquariums126K searches a year
02 · Price
A sale here is worth $13.84.
Listings sell for $13.84 on average, from $3.73 to $79.12. Amazon reports units sold in ranges. This niche sold 40K to 50K a year. The average listing sells 750 to 1,000 of them. At $13.84 that is $10K to $14K a year per listing.
- Average price
- $13.84under the $15 to $100 sweet spot
- Price range
- $3.73–$79.12
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 40K–50K
- Units per listing a year
- 750–1,000
- Revenue per listing a year
- $10K–$14K
- Returns
- 2.2%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads and reviews.
95% of listings pay for placement with sponsored ads. 98% ship with Prime. On an average day, 0.3% of listings are out of stock. The average listing ranks #53 within Fish & Aquatic Pets. It carries 2,063 reviews at 4.35 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 95%
- Prime listings
- 98%
- Out of stock, average day
- 0.3%
- Average rank
- #53in Fish & Aquatic Pets
- Average rating
- 4.35 starsAmazon United States average 4.42 stars
- Average reviews
- 2,063per listing
- Listings tracked
- 43
04 · Newcomers
2 of last year's 5 launches cleared the first-year sales bar.
5 products launched here in the last 12 months. 2 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 53 months on average, so the names here are settling in.
- Launched, last 12 months
- 5
- Successful launches
- 2Amazon's first-year sales bar
- Average brand age
- 53 months
Products
Top Air Stone 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
Pawfly Aquarium Air Stone 1 Inch Fish Tank Air Stone Aerator Bubble Diffuser for Nano Air Pumps Small Buckets and Fish Tanks 10 Pack
- Price
- $4.15
- Rating
- 4.6/5
- Reviews
- 5,455
- Age
- 8y ago

AQUANEAT Aquarium Air Stones 1 inch 12 Pack Bubble Stone Aerator Bubble Diffuser Air Pump Accessories for Aquariums Fish Tanks and Hydroponics
- Price
- $4.10
- Rating
- 4.6/5
- Reviews
- 2,219
- Age
- 9y ago

Uniclife 64 GPH Aquarium Air Pump with Dual Outlets Adjustable Quiet Fish Tank Air Pump with Air Stone Airline Tubing Check Valve and Connector Accessories for 10-100 Gallon Fish Tank
- Price
- $14.98
- Rating
- 4.5/5
- Reviews
- 14,446
- Age
- 10y ago

hygger Air Stone for Aquarium: Quiet High Dissolved Oxygen Diffuser Kit for Freshwater or Saltwater Fish Tank and Hydroponic Air Pump-Disc 2 x 2 Inch Air Bubble Stone Without air Pump
- Price
- $9.86
- Rating
- 4.4/5
- Reviews
- 192
- Age
- 1y ago

Pawfly Aquarium Air Stone Bar Bubbler 4 Inch Fish Tank Bubbler Stone with Plastic Base Square Oxygen Diffuser for Nano Air Pump Small Bucket and Fish Tank 4 Pack
- Price
- $6.94
- Rating
- 4.2/5
- Reviews
- 4,214
- Age
- 9y ago
Trending
estimated 90-day click momentum
hygger Aquarium Bubble Curtain Wall Quiet Fish Tank Air Stone with Accessories High Dissolved Aquarium Bubbler Oxygen Diffuser Decoration for Freshwater & Saltwater 7.9 Long
- Price
- $14.94
- Rating
- 4.6/5
- Reviews
- 124
- Age
- 7mo ago

Pawfly Aquarium Air Stone Bar Bubbler 8 Inch Fish Tank Bubbler Stone with 4 Suction Cups Square Oxygen Diffuser for Air Pump Fish Tank and DWC Bucket 4 Pack
- Price
- $9.93
- Rating
- 4.2/5
- Reviews
- 4,214
- Age
- 4y ago

Zihvfzu 2PCS 4 Aquarium Air Stone Disc with 3 Suction Cups Bubble Diffuser for Fish Tanks Water Tanks & Hydroponic Systems
- Price
- $10.34
- Rating
- 4.0/5
- Reviews
- 23
- Age
- 6mo ago

NICREW Nano Silent Aquarium Air Pump Black Aquarium Aerator with Accessories for Up to 10 Gallon Fish Tank Super Quiet 0.3 L/min 1.5 Watts
- Price
- $14.13
- Rating
- 4.4/5
- Reviews
- 2,937
- Age
- 4y ago

AQUANEAT Air Stone Disc 4 Packs Aerator Bubble Diffuser Air Pump Accessories for Hydroponics Aquarium Fish Tank Ponds DWC Reservoirs and Circulation System (1.5 inch)
- Price
- $5.19
- Rating
- 4.5/5
- Reviews
- 707
- Age
- 7y ago
Newest
by launch date
Zihvfzu 2PCS 4 Aquarium Air Stone Disc with 3 Suction Cups Bubble Diffuser for Fish Tanks Water Tanks & Hydroponic Systems
- Price
- $10.34
- Rating
- 4.0/5
- Reviews
- 23
- Age
- 6mo ago

hygger Aquarium Bubble Curtain Wall Quiet Fish Tank Air Stone with Accessories High Dissolved Aquarium Bubbler Oxygen Diffuser Decoration for Freshwater & Saltwater 7.9 Long
- Price
- $14.94
- Rating
- 4.6/5
- Reviews
- 124
- Age
- 7mo ago

hygger Air Stone for Aquarium: Quiet High Dissolved Oxygen Diffuser Kit for Freshwater or Saltwater Fish Tank and Hydroponic Air Pump-Disc 2 x 2 Inch Air Bubble Stone Without air Pump
- Price
- $9.86
- Rating
- 4.4/5
- Reviews
- 192
- Age
- 1y ago

hygger Aquarium Bubble Strip Nano Air Bubble Curtain Wall Aquarium Air Stone Kit Quiet High Dissolved Oxygen Diffuser Fish Tank Bubbler Decorations for Freshwater Saltwater (13.8 Inch)
- Price
- $22.15
- Rating
- 4.4/5
- Reviews
- 495
- Age
- 1y ago

hygger Aquarium Bubble Strip Nano Air Bubble Curtain Wall Aquarium Air Stone Kit Quiet High Dissolved Oxygen Diffuser Fish Tank Bubbler Decorations for Freshwater Saltwater (5.9 Inch)
- Price
- $15.23
- Rating
- 4.4/5
- Reviews
- 495
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 41% of clicks. Leaders hold, but buyers still shop past them.
Brands
17 falling
Sellers
23
Est. top-5 brand share
83%
Top 20: 100%
Est. top-5 click share
41%
Top 20: 79%
Open market
14%
- Pawfly33%
- AQUANEAT20%
- hygger18%
- Uniclife8%
- VIVOSUN5%
- Wenshall3%
- Open — no brand owns it (11 brands, 14%)
Demand
Air Stone search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.3×
Search terms
Top Air Stone search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- air stones for aquariums126K/yr
- air stone153K/yr
- aquarium air stones78K/yr
- airstone45K/yr
- airstones for aquarium39K/yr
- aquarium air stone42K/yr
- air stones35K/yr
- fish tank air stone36K/yr
- air stone for fish tank19K/yr
- aerator stone14K/yr
Reviews and returns
What reviews say buyers love and hate about Air Stone
We read the reviews and the return reasons for every product selling here.
“Broke after one 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 Air Stone 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









