Seachem Reef Advantage Magnesium Size:600g so it will not scratch

so it will not scratch acrylic

Flow Rate:400 L/H

Activated Carbon

while providing biologically appropriate levels of other elements and trace minerals

Foam slides out easily for quick cleaning

Seachem Reef Advantage Magnesium Size:600g so it will not scratchReef Advantage Magnesium is a concentrated, blended, ionically balanced magnesium source that contains NO Ammonia and vitally important in preventing ionic imbalance Description: Reef Advantage Magnesium Severely depleted levels of magnesium (below 800 mg L) can cause depressed pH levels and an inability to maintain proper magnesium levels. The most frequent causes of magnesium deficiency are use of kalkwasser, frequent overdosing of a carbonate