- A scientifically formulated substrate from natural soil sintered into a porous and granular structure with excellent filtering power.
- Sintered with organic acid; suitable fro shrimp, fresh water fish, and plants.
- Helps maintain stable, healthy, and clear water for long period of time.
- Lowers PH/KH of the water; creates weak acid and soft water environment.
- Rapidly removes cloudiness and supports the development of aerobic bacteria.
- Made in Japan.