Features:
The culture ball can be used on both seawater and fresh water. It allows nitrifying that breaks down fish waste and uneaten food to breed successfully in less time. So, the more balls you use, the more effective the water purification will be. They provide a good place for the adhesion and reproduction of aquarium . The ball stabilizes the water without causing or changes. This balls are compact, reused, and for a long life of up to 2 years.
Specification:
Color:
Function: Culture of Aquarium
Diameter of Ball: Approx. 1 cm / 0.39inch
Weight: 705g
Type: Cleaning Tools

Package List:
1 * Pack of Culture Ball

Note:
Only clean fish water or water.
Since the there is powder in the balls, so please wash the balls before use.