High-purity powdered magnesium blend. Provides magnesium, which helps regulate the balance between calcium and carbonates in aquarium water, and is a component of aragonite, the mineral secreted by reefbuilding organisms to form skeletal material. Stronger and more economical than liquid magnesium solutions; created for hobbyists maintaining multiple reef aquaria. Highpurity ingredients; contains up to 43% (430,000 ppm) magnesium by dry weight. Formulated by a marine scientist. |