• Highly-concentrated ionic magnesium solution.

• 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 such as corals,

clams, and their allies to form skeletal material.

• Stronger than most competing products.

• Contains no unwanted organic material such as EDTA, gluconate, or polygluconate.

• Formulated by a marine scientist.

• Liquid
• 2-L