Provides biological filtration to the aquarium, helping to stable water quality.
Soak it with aquarium water for five minutes before use, It will be easy to digest bacteria colonies.
Use aquarium water to wash the sponge, don’t use hot water.
Suitable for up to sixty liters of fish tanks.


Material biochemical cotton
The water inlet hole diameter is about 1.8cm and 0.7″
Net weight 40gr and 0.088lb

Size about
Length 14cm and 5.5″
Width 5cm and 1.9″
Height 15cm and 5.9″

Sponge size
Length 5cm and 1.9″
Height 8cm and 3.1″

The real product colors may be slightly different from what you see in the images.
The product dimensions may be slightly different from what is written in the product specifications.

Ships From

China, Poland, United States, SPAIN, Australia