Spectrum AlgaeMax Regular Sinking (1-1.5mm) size-medium Replace your ceramic filter media

Replace your ceramic filter media only when completing a complete tank restart as to not disturb the beneficial biological load

the all-new FX4 canister filter bridges the gap between the Fluval 406 and the FX6 canister filters

it should be left on at all times to constantly filter your fish's water

Flexible use: Suitable for freshwater and saltwater tanks and terrariums

Spectrum AlgaeMax Regular Sinking (1-1.5mm) size-medium Replace your ceramic filter mediaAlgae Max is a formula specific for herbivores featuring 9 different varieties of algae and seaweed. This green diet by addition enriches the NLS formula giving a pellet ideal for algae herbivores like tropheus and tangs as well as omnivores. Suitable for both marine and freshwater tropical aquarium fish