TOPZEA 6 Lb Aquarium Filter Media Ceramic Rings, Premier Bio Filter Medias with Zipper Mesh Bags for Koi Pond, Canister, Fish Tank Filter, Pure White Price: $16.99 (as of 05/07/2024 19:50 PST- Details) & FREE Shipping.

The white fish tank filter media is made of premium ceramic, fits for fresh and saltwater aquariums, which is aqua safe, non-toxic, extremely porous, shine up your tanks water, no more green algae water, help grow beneficial bacteria in the system, and much cleaner version than the black carbon filter.
The size of ceramic media rings is about:0.75″(Dia)x 0.6″(H), the good shape and the middle hole allows water flow through, offers more filtration surface area, helps efficient filtration, keeps water clean and fresh, grow good bacteria.
These bio filter media are reusable and washable, 1 bags lasts through multiple filter changes and cleanings, and easy to use, you just need to rinse it off, clean the container, and put it back, perfect for fish tank, canister tank, aquarium, ponds, etc.

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