Red Sea Reef Foundation A is a component of the Red Sea Reef Foundation program for health and vibrant corals. Red Sea Foundation A is a blend of calcium and strontium in the proper ratio for the growth of coral skeletons.
1 kg Powder Calcium Supplement
Once mixed into solution: 1 mL liquid supplement will raise the Calcium level of 25 gallons by 2 ppm
I have included a link to the Red sea instructions on the product. For part A it is listed as 2.2lbs (1kg) per 3.8 pints of water. for Part B it is listed as 2.2 lbs (1kg) per 21 pints of water. This information can also be found directly on the manual on page 11. Feel free to let us know if you have any further questions!