Seachem Matrix Carbon is a high-quality, ultra-capacity granular activated carbon that provides superior filtration for your aquarium. Unlike other carbon-based filters, Matrix Carbon boasts an astoundingly low ash content, minimizing the impact on pH levels in your tank. Its unique shape provides maximum water flow and contact without compromising its filtering capabilities. Matrix Carbon's high porosity allows it to absorb and hold more impurities, ensuring your aquarium water remains crystal clear and healthy for your aquatic life. It effectively removes heavy metals, odors, discolorations, and organic pollutants, enhancing the overall water quality. This product is also heat-activated, which means it has a greater capacity to absorb small particles and contaminants. It's incredibly durable and won't degrade quickly, making it a cost-effective choice for aquarium enthusiasts. Seachem Matrix Carbon is safe for both freshwater and marine environments, making it a versatile choice for all types of aquariums. It's easy to use and can be placed directly in any standard filter bag. In summary, Seachem Matrix Carbon offers superior filtration, cost-effectiveness, and versatility, making it an excellent choice for maintaining a clean and healthy aquarium. Its high absorption capacity and durability ensure your aquatic life thrives in the best possible environment.