N30 Premium Bio Rod Terrazo is a bio-filtration media that comprises of a mix of minerals that provide the optimal conditions for nitrifying bacteria colonisation. Its highly penetrative porous structure also helps maintain pristine water quality in your aquarium.

Dimensions:

- Width: 3.5cm

- Internal diameter: approx. 2cm

- Height: 3.5cm

- Length: 15cm

- Cross-sectional width: 4.5cm

Features:

- Highly Porous and Absorbent Structure

- Ideal for most filtration systems

-Freshwater, Pond and Marine suitable

- pH neutral