Filter Sponge Replacement For Eheim Classic Filters
filter sponge replacement for Eheim filters of the Classic series .
The blue sponge or foamex acts as a mechanical and biological filtration, retaining even the smallest dirt particles.
Each package contains 2 units
The blue Eheim sponges have been cut to the same shape as the filter. This special structure allows to carry out the most suitable cleaning. The water passes evenly through the sponges, while they retain both fine and coarse particles through mechanical filtration.
Shortly after its placement, the bacteria that carry out intense filtration in a biological way, settle in the porous structure of the sponge.
To keep the aquarium water in perfect condition, you should change the filter materials regularly. Change the sponges every 4-6 weeks , depending on the population of fish in the aquarium. Never change all filter media at the same time , to avoid destroying the beneficial bacterial population in the aquarium.
