Description

. 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. So they are great for any freshwater or saltwater fish tank or mini-reef aquarium

Features

- Color: Mixed color.
- Material: Ceramic particle.
- Size: About 3 x 3 x 2cm.

- Made of material, durable and safe to use.
- Clarify your water naturally and cultivate beneficial substance with these bio-balls.
- They will also promote gas exchange and increase dissolved oxygen levels.
- The Bio-Balls have a structure of dense holes where live a lot of nitro- .
- 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.
ceramic filtration rings

20 x filter balls

1.If you have some inquires or problems, Please feel free to contact us.
2.We will reply your email within 1 business day (except weekend).
3.When delivery is delayed or items are damaged during delivery, please email us first before you leave feedback. Thank you.