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Seachem Matrix Biological Media is designed to enhance biofiltration in both freshwater and marine aquariums. Its highly porous structure offers an impressive surface area of over 700 m² per liter, vastly outperforming plastic bio-balls and other competing fish products. Unlike plastic materials that only provide an external surface, Matrix features both external and internal macropores, creating an ideal habitat for beneficial bacteria. This unique pore structure supports both nitrifying and denitrifying bacteria, allowing Seachem Laboratories Matrix to effectively remove ammonia, nitrite, and nitrate all in one filter, ensuring cleaner and healthier water for your aquatic life.
Seachem Matrix Biological Media is made of good-quality material, which is known for its durability and ease of maintenance. The media will not break down over time, meaning it doesn't need to be replaced. It can be rinsed when needed without harming the beneficial bacteria that live within its macropores. Compatible with all types of wet or wet-dry filters, including canister filters, Matrix provides a reliable and efficient solution for maintaining optimal water quality in your aquarium. Whether setting up a new tank or upgrading your filtration system, Seachem Matrix offers a long-lasting and effective way to support a thriving aquatic environment.

Matrix provides superior biological filtration for my aquarium. It’s highly effective and long-lasting.
I added this to my canister filter, and within days, my aquarium water was clearer than ever. A must-have for serious fish keepers!
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