Ziss Biofilter "Bubble Moving" FZB-300
Helps make water crystal clear and removes floating organic material.
Capacity is up to 300L and more media filters (if the air pump is powerful enough) can be added for more filtration.
Can remove cyanobacteria.
Slows down / stops the algae process
Can be used in saltwater and freshwater.
The minimum recommended air pump is 3W, at first she needs some help and can use a Y connector.