1/3/5/10PCS Aquarium Filter Sponge for Aquarium Fish Tank Air Pump Skimmer Biochemical Sponge Filter Aquarium Bio Filter

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.

Used in waterfall aquarium filter as replace sponge.

Speicificaitons:

Product name: Replace Cotton for Aquarium Sponge Filter/

Color: Black

Sponge Size: 75mmx40mmx35mm

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.