Aqua Medic REEF LIFE System Coral is the complete solution for supplying reef aquaria with calcium and trace elements without ion shift. Aqua Medic REEF LIFE System Coral A Calcium si a highly concentrated calcium additive for enhanced coral growth. Provides optimum calcium content in the aquarium that can be maintained simply with REEF LIFE System Coral Calcium.Application and Dosage of Aqua Medic REEF LIFE System Coral A Calcium:10 ml increase the calcium content of 100 litres sea water by about 17,5 mg/l. Dosage: 35 ml per week for a 100 l aquarium. Aqua Medic REEF LIFE System Coral A Calcium can be added automatically by using a dosing pump such as Aqua Medic Reefdoser.Ingredients:Calcium, potassium, magnesium, strontium (chemical elements: Ca, K, Mg, Sr)Aqua Medic REEF LIFE System Coral - The complete solution for supplying reef aquaria with lime and trace elements without ion shift. For this purpose, always add the 3 components of the Reef Life System Coral in the same ratio: ea