Seachem Laboratories Reef Advantage Magnesium - 300 Grams
Item #: SC1511
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Save: $3.90 (43%)
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SeaChem Reef Advantage Magnesium ™ is a concentrated (80,000 ppm) optimized blend of magnesium, chloride, and sulfate salts designed to restore depleted levels of magnesium with minimal impact to the ionic ratios found in natural ...