Reef Foundation A contains Calcium, Strontium, and Barium according to the ratios found in coral skeleton. For best results dose according to a measured uptake of calcium and in conjunction with Reef Foundation B and Reef Foundation C.

• Powder
  
• 1 Kg / 2.2 lb
  
• Concentration: 1 ml will raise the Ca level of 100 liters (25 gal) by 2ppm.This 1 Kg container when mixed with RO water will produce 1.8 liters of stock solution.
  
• For proper use of this product you may want to use the Red Sea Calcium Pro Test Kit
• Complete Red Sea Reef Care Program Brochure (pdf format in new window)