Brightwell Aquatics ABANEOM1000 Neo Magnesium Filter Media for Aquarium, 2.2-Pound, 1000-grams

High-purity, magnesium-rich mineral that may be employed in traditional calcium reactors, or even blended in to pre-existing aquarium substratum, to gradually increase and maintain the magnesium concentration in the system. Provides magnesium, which helps regulate the balance between calcium and carbonates in aquarium water, and is a component of aragonite, the mineral secreted by reef-building organisms to form skeletal material. Composed of magnesium, calcium, and carbonates. Optimal average particle size for use in media reactors and calcium reactors. International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.