Extra large high-porosity filtration medium for all freshwater and marine aquariums.
- Provides large amounts of aerobic and anaerobic surface area for efficient bacterial colonization.
- Provides over 7,500 square feet (700 square meters) of surface area per liter of medium.
- Reduce toxic ammonia, nitrites, and nitrates to near zero.
- Significantly reduces phosphate and dissolved organics.
- Can be the only filtration medium for an aquarium or pond.
- Works well for reef systems, freshwater and brackish systems, cold water marine systems, and fish only systems (FOWLR).
- Made in the USA.
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