Kaldness K1 filter media is a popular choice of biolgical filter media with a huge suface area for benificial bacteria to grow. The wheel shaped media has been design with a slight buoyancy to allow it to circulate with minimum water flow. In the moving bed process the flow is created with the addition of air from an air pump. -3 litre pack
Number 1 Kaldness filter media for the koi and aquatics industry
Used in the Moving bed process
Unique wheel shaped media with slight buoyancy
Provides a hugh surface area for biological bateria to colonise
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