Smart Reef^TM +Calc (Calcium Chloride) has is high purity calcium chloride and does not contain high bromides which recently manufactured calcium chloride by DOW does. Bromide can be detrimental to your aquarium.

SmartReef +Calc is pure FCC (food grade calcium chloride)

Smart Reef^TM  +Calc is part of your two of three part solution or used alone to provide calcium necessary for your coral, clams and invertebrates to thrive and grow. 

Dosage:
Use our online calculator to determine how to raise initial levels to the appropriate levels. See Pre measured Recipe 1 (PH under 8.3) and Recipe 2 (PH over 8.3) instructions or Bulk Recipe 1 and Recipe 2 instructions for how to dose daily.