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Give your aquarium's beneficial bacteria a top-notch place to live with these Tropical Reef ceramic filter rings.

They come pre-packed in mesh bags, making them super easy to just drop into your filter sump or canister.

They're designed for all water types—freshwater, marine, reef, you name it.

The porous ceramic provides tons of surface area for biological filtration, helping keep your water crystal clear and your fish happy.

They're brand new from Tropical Reef and made in the United Kingdom.

A simple, effective way to boost your tank's filtration.

5 out of 5