Description

So they are great for any freshwater or saltwater fish tank or mini-reef aquarium. . The item is a set of 20pcs simple and practical filter bio balls, It is excellent for oxygenating your water and helping the gas exchange process

Features

- Color: Mixed color.
- Material: Ceramic particle.
- Size: About 3 x 3 x 2cm.
- There is a hollow in the middle of the biological column filtering medium, can provide an anaerobic environment, reducing the content of nitrates in water, and promote more healthy water quality.
- Clarify your water naturally and cultivate beneficial substance with these bio-balls.
- The Bio-Balls have a structure of dense holes where live a lot of nitro- .
- Made of material, durable and safe to use.
- They will also promote gas exchange and increase dissolved oxygen levels.

fish tank filter canister ball

40 x filter balls

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