REEF B Product description Two-component liquid supplement based on calcium, magnesium and trace elements, formulated together with REEF A 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. After dosing REEF A in the aquarium, wait one minute and pour the same amount of REEF B. Do not mix the two components together.
