Proper magnesium level is required for proper coral health and growth. A level of 1200ppm to 1500ppm is also need to maintain proper calcium and alkalinity levels in a reef aquarium.

Directions

Shake well before use. Add 1 capful (5 ml) per 25 gallons 3 to 4 times per week. For best results, measure the magnesium level and add as required to maintain the magnesium level between 1,200 and 1,500ppm.