Air Stone Pricing
Analysis of 2,736 eBay listings for aquarium air stones.
What you'll usually pay
💡 Used ones cost about 27% more here.
👉 In short easy summary
The best value is found in brand-name options like Top Fin, which are 36% below the market median. Pond-specific stones command a significant premium, priced 62% higher than the median.
💚 Best value for your money
Price by water type
Why? Pond stones are the most expensive at 25.16, while Marine stones are the cheapest at 12.48.
Price by brand
Why? Unbranded stones sit near the median at 15.99, whereas Top Fin offers the lowest entry point at 9.99.
🛒 Some on sale right now
Common questions
What is the typical cost of a new air stone?
The median price for new air stones is 15.77.
Are branded air stones generally cheaper than unbranded ones?
Yes, brands like Top Fin (9.99) and Marina (10.93) are cheaper than unbranded options (15.99).
How much more do pond air stones cost compared to the average?
Pond air stones have a median price of 25.16, which is 62% above the market median.
How we got these numbers
Worked out from 200 live eBay listings (price range $7–$42, odd outliers ignored). These are asking prices, so use them as a guide. Last checked July 13, 2026.