Reef Advantage Magnesium, 2.2 kg / 4.8 lbs
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<b>[Product Information]</b><br>
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<li>Raises Magnesium And Contains No Ammonia</li>
<li>A Concentrated Optimized Blend Of Magnesium, Chloride, And Sulfate Salts Designed To Restore Depleted Levels Of Magnesium</li>
<li>Minimal impact to the ionic ratios found in natural sea water</li>
<li>Contains No Ammonia, A Common Contaminant In Every Liquid Magnesium Supplement On The Market</li>
<li>300 Grams Treats 1200 Us Gallons</li>
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