Aqua One 1000 External Canister Filter Cat and non-chelated iron that may

and non-chelated iron that may be toxic to fish if present in high concentrations

It is best to only replace the BioMedia when you do a complete tank restart as to not disturb the beneficial biological load

Calcium binders in the kibble also help to reduce the development of tartar formation

Helps support a healthy immune system

Oase Biomaster 850 needs 6 foams

Aqua One 1000 External Canister Filter Cat and non-chelated iron that mayThe Aqua One Aquis Canister Filter range offers a far superior level of both mechanical and biological filtration suitable for freshwater and marine aquariums. The Modular filter design also allows for the use of a variety of media including biological, activated carbon and exchange resins which are easily interchanged. The superior motor design provides silent and energy efficient operation plus a modular design which allows for a variety of media.