Tetra EasyCrystal filter material is for the Tetra EasyCrystal filter that comes with the Tetra starter set of aquariums.
This filter material fits Tetra EasyCrystal Filter 250 and Tetra EasyCrystal Filterbox 300. The filter material provides both mechanical and biological filtration and the result is crystal clear and healthy water, so that both fish and plants thrive in your aquarium.
The filter material consists of three parts that are put together :
To achieve optimal functioning of your aquarium filter, we recommend that you change the filter material every four weeks or when the water quality visibly deteriorates. When you change the filter, it is important that you put the green side facing out in the aquarium so that the filter works correctly.
This package contains 3 filters.