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.

Concentration:

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.

package size/volume:

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)