Reef Salt Coral - Contains vitamin B complex for the supply of corals with the vital vitamin B12 (according to scientific investigations). Provides ideal nature-like conditions for growth and coloration of SPS and LPS corals. With pH buffer and high calcium and magnesium content. Contains all the essential trace elements. Blended from chemically pure raw materials, continuously quality controlled. Dissolves easily and leaves no residue, so can be used quickly. Pack Size: 20 kg to make up to 600ltrs @35%o. MADE in GERMANY.