Features:

Biochemical sponge filter provides biological filtration to the aquarium, helps to stable water quality. Increase the oxygen solubility. Working noiselessly. Good permeability, easy to clean. Perfect filters accessories for your tank and aquarium.
3D honeycomb stucture, multilayer filtration, high water permeability.
Conducive to the reproduction of nitrifying bacteria.

Specification:
Material: Sponge
Color: White

Thickness: 2mm

Size: 30x30x0.2cm, 60x30x0.2cm, 120x30x0.2cm, 50x100x0.2cm

Reminder:

1. Soak the sponge in the aquarium water for 5 minutes before use, by doing this will help nitrifying bateria colonise easier.

2. Always use aquarium water under room temperature to rinse clean the sponge, never use hot water.

3. It must be used through connecting the air pump.

Including:

1pcs Aquarium Fish Tank Filter Sponge