Vibrant Sea™ is a highly concentrated blend of salts formulated for marine and reef aquariums that contains all essential major, minor, and trace components found in natural seawaters, plus the added advantage of enhanced potassium levels. Its formulation is ideal for the reef environment and will provide accurate seawater concentrations of magnesium, calcium, and strontium with proper alkalinity and pH for closed reef aquarium systems. Vibrant Sea™ is an anhydrous salt, which allows for unparalleled uniformity from batch to batch as well as the ability to produce more saltwater from less salt. In addition, it is highly soluble and can mixed and used in the same day. At a specific gravity of 1.026, Vibrant Sea™ will yield the following: PH 8.4 – 8.5        Carbonate Hardness 3-4 meq/L      Calcium  425-445 mg/L       Magnesium  1,250-1,350mg/L         Potassium 500-550mg/L       Strontium 8-10mg/L