Seachem Reef Advantage Magnesium Reef Supplement Size:300g • Helps maintain healthy fish

• Helps maintain healthy fish environment

• Aquablue Special balanced spectrum

Seachem Reef Builder is a powdered alkalinity supplement formulated to raise and maintain carbonate alkalinity in reef aquariums without immediately impacting pH

• Made with real meat

Seachem Reef Advantage Magnesium Reef Supplement Size:300g • Helps maintain healthy fishSeachem Reef Advantage Magnesium is a concentrated magnesium supplement designed to restore and maintain proper magnesium levels in reef aquariums. Raises and maintains magnesium levels Supports proper calcium and alkalinity balance Promotes healthy coral growth High purity, reef safe formula Suitable for marine and reef aquariums Easy to mix powdered supplement