Seachem Zeolite 250ml is a highly effective, naturally occurring filter media designed for both freshwater and saltwater aquariums. This porous mineral excels at binding harmful ammonia and heavy metals, utilizing an advanced ion exchange mechanism to purify your aquarium water. It provides a crucial defense against common pollutants, contributing to a cleaner and safer aquatic environment for your inhabitants. Distinguished by its superior performance, Seachem Zeolite boasts the highest ammonia binding capacity available on the market, outperforming some competitors by as much as ten times and doubling the capacity of its closest rival. A key advantage for saltwater reef aquariums is that it will not deplete calcium levels, preserving the delicate balance essential for corals and invertebrates. Similarly, in freshwater setups, it avoids increasing general hardness, maintaining stable water parameters. This product is ideal for any reef aquarium hobbyist looking for a reliable and efficient solution to manage ammonia spikes and remove heavy metals without compromising water chemistry. Its unique formulation ensures that critical elements like calcium are unaffected in marine systems, making it a perfect choice for sensitive reef tanks. By incorporating Seachem Zeolite, aquarists can maintain pristine water quality, support vibrant coral growth, and ensure the long-term health of their entire aquatic ecosystem.