Eheim Bio Foam has been proven to optimize
colonization area for helpful nitrifying bacteria. The water from
the filter is not forced directly through the cartridge, but is allowed to
gently sweep over it. As a result, contact time between toxins and
bacteria are increased, therefore increasing the biological breakdown of
dangerous toxins such as ammonia and nitrite. Change the Bio Foam
Cartridge every 10 weeks.
For optimal filtration, use these
cartridges for the Liberty Filters
- Model 2040 - 1 x 3D Carbonized Cartridge
1 x Bio Foam Cartridge
- Model 2041 - 2 x 3D Carbonized Cartridge
1 x Bio Foam Cartridge
- Model 2042 - 4 x 3D Carbonized Cartridge
1 x Bio Foam Cartridge
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Click Here
for Replacement 3D Carbonized Cartridges.