Summary:
- Marimo are unique, spherical algae that naturally grow in freshwater lakes and rivers in parts of the world.
- These algae act as natural filters, helping to clean and maintain the health of aquatic ecosystems by absorbing excess nutrients and pollutants.
- Marimo's unique ball-like shape and slow growth rate make them valuable for use in aquariums and ponds, where they can help maintain water quality and support a balanced ecosystem.