10-in-1: 10 Kinds of filter media mixed, including activated carbon, bio balls, ceramic rings, volcanic rock, etc. They can be used for various functions. A pack can satisfy your needs of improving the water quality.

Application Range:

Great for any freshwater or saltwater fish tank or mini-reef aquarium.

Gently rinse with water from an established aquarium, if needed.

The high performance filter media provides efficient mechanical filtration for salt water and fresh water.

Suitable for fish tank top filter, bottom filter, filter barrel, wall hanging filter, carp pond filter, turtle tank filter and even swimming pool.