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Salifert Magnesium Powder 500ml
A too low magnesium concentration (below 1300 mg/l) results in problems maintaining correct calcium and alkalinity levels. Correct alkalinity and calcium levels are beneficial for coral growth.
Magnesium Powder from Salifert is highly concentrated and will not only increase the magnesium concentration but will also correct the ionic imbalance. Once the magnesium concentration is between approx 1300 and 1500 mg/L use Salifert's Liquid Magnesium supplement to maintain the magnesium concentration.