Filter Media Pricing
Analysis of 7,714 eBay listings for aquarium filter media and accessories.
What you'll usually pay
💡 Buying used saves about 8% here.
👉 In short easy summary
The best value is found in Sponge/Foam and Bags, which are 21% and 16% below the market median respectively. Bio Balls represent the highest cost among types, trading at a 13% premium.
💚 Best value for your money
Price by type
Why? Prices vary by material, with Bio Balls at 21.45 and Sponge/Foam at 15.
Price by water type
Why? Specialized Marine media is the most expensive at 24.99, while Fresh water media is 16.99.
🛒 Some on sale right now
Common questions
What is the median price for new filter media?
The median price for new items is 18.97.
Which filter media type is the most affordable?
Sponge/Foam is the most affordable with a median price of 15.
How do Marine water filter prices compare to the market median?
Marine water media is 32% higher than the market median, priced at 24.99.
How we got these numbers
Worked out from 200 live eBay listings (price range $9–$90, odd outliers ignored). These are asking prices, so use them as a guide. Last checked July 13, 2026.