Marina Slim Filter Zeolite Cartridge 3pk

Marina Slim Filter Bio-Clear Cartridges come in a convenient 3-pack and are compatible with all Marina Slim Filter Models. Perfect for goldfish tanks, these cartridges combine zeolite and Ceramitek in a single unit to promote a thriving aquarium environment!

• Removes harmful ammonia to minimize fish stress
• Specifically designed for goldfish care
• Features Zeolite and Ceramitek for pristine water quality

The Zeolite component efficiently captures toxic ammonia, helping to keep fish healthy and stress-free. Meanwhile, Ceramitek, a porous ceramic material, enhances biological filtration for optimal results.

These cartridges are fully disposable and should be changed every two weeks.

To maintain a stable population of beneficial bacteria, avoid replacing all cartridges simultaneously.