REEF A Product description Two-component liquid supplement based on calcium, magnesium and trace elements, formulated together with REEF B and to be used in equal quantities in marine aquariums. The two products bring the following elements to the aquarium: calcium, magnesium, potassium, bromine, boron, strontium, fluorine and iodine. Dosage and directions for use 20 mL once a week or 5 mL every other day for every 100 liters of water. Wait at least 1 minute and dose the same quantity of REEF B in the aquarium. Pour slowly into the aquarium in an area with strong water movement. Do not mix the two components together.
