Marineland Magnum Micron Cartridge is excellent for polishing your aquarium water. This cartridge will pull out the finest of particles, resulting in a crystal clear aquarium.
- Replacement cartridge for Marineland Magnum canister filters
- Pulls out finest particles to polish water
- Keep aquarium water clear & healthy
Can be used with diatomaceous earth, but make sure that your filter's instructions specifically state that it is designed to be used as a diatom filter.
For use with Magnum 200, 220, 330, 350, and HOT Magnum 250