Trustpilot
Why Choose This Bio Sponge Filter?
First, it constantly supplies oxygen and provides good surface agitation for the fish tank.
Second, it provides a dual filtration system, bio & sponge to keep the water clean.
While safe and gentle enough to avoid sucking up a fish.
Easy to Install
How to Use?
Take the spare sponge off the filter after out of the box.
Keep a sponge to restore its fluffiness and install fixing buckles.
Wash the filter to remove the dust before put in aquariums.
Connect the air pump and air tube (4mm) to the filter.
Squeeze the sponge until it is full of water making it sink into the bottom of the tank.
Tip:
The air pump and air hose are not included.
Due to the two sponges being squished up together, Please take it apart and loosen the sponge to restore its normal shape.
