• High-purity natural mineral that may be employed in traditional calcium reactors, or even blended in to pre-existing aquarium substrate, to gradually increase and maintain the calcium concentration and alkalinity in marine aquaria
  
• Strong source of calcium, the most abundant cation by percent mass in aragonite, the mineral secreted by reef-building organisms to form skeletal material
  
• Through dissolution, provides calcium, magnesium, strontium, potassium, and carbonates
  
• Aids in increasing alkalinity to stabilize pH and encourage rapid biogenic aragonite formation
  
• Optimal average particle size for use in media reactors and calcium reactors
  
• Free of chloride and sulphate