Calcium, magnesium, strontium and carbonate are the basic foundation elements of coral skeletons.
All of these elements need to be available in balanced proportions for positive coral health and growth.
Red Sea’s CALCIUM+ contains blended salts of calcium and strontium in the ratio required by corals and is part of Red Sea’s complete Reef Care Program.
|Aquarium Type||Average daily usage|
|Liquid ml/100L (25gal)||Powder g/100L (25gal)|
|Ultra Low nutrient SPS||2ml||1.1g|
Liquid supplement: 1ml will raise the Ca level of 100 liters (25 gal) by 2ppm.
Powder supplement: 1g will raise the Ca level of 100 liters (25 gal) by 3.6ppm.
1 kg will make 1.8L of stock solution.
500 ml (16.9 fl. Oz.)
250 ml (8.5 fl. Oz.)
1 L (33.8 fl. Oz.)
5 L (1.32 gal)
1 kg – powder (2.2 lb)
Red Sea’s Foundation Elements Video