Coarse Foam Media for Oase Biotec 5.1/10.1/30.1 125L 2) Hold the alkalinity pipette

2) Hold the alkalinity pipette vertically and add 1 drop of Alkalinity Reagent

This filter not only simplifies aquarium maintenance but also supports aquatic biology by preserving beneficial bacteria during cleaning

Filter Volume 6 Litres

Nexus320+ and Nexus220+ filters now come with a new filter media called K+Media in the moving bed outer chamber for vastly improved biological filtration and faster filter maturation

Installation is straightforward: attach the filter securely using the provided suckers

Coarse Foam Media for Oase Biotec 5.1/10.1/30.1 125L 2) Hold the alkalinity pipetteReplacement coarse foam media for the Biotec 5. 1, 10. 1 or 30. 1. Please note: these are unsuitable for the Biotec 5, 10 or 30. Each sponge is approx. 25cm x 20cm x 8cm. Please also note that these are not official Oase Biotec foams but our own alternative at a much cheaper price. The foam colours may change due to availability, however the high quality remains the same. Please check your manual to make sure you purchase the correct size.