These 2 Gallon 2 Part Kits are pre-portioned to make 1 liquid gallon each of Calcium and Alkalinity and 20oz of the Magnesium part. Based on the popular 2 Part Solution these kits are an easy way to maintain calcium and alkalinity parameters in the aquarium and keep corals healthy and growing. Each 2 Gallon 2 Part Kit Includes:

• (1) Calcium pouch
• (1) Alkalinity pouch
• (1) Magnesium pouch
• Directions