Reef Endurance Magnesium Sulfate (3.8 lbs) Maintains water clarity

Maintains water clarity

Unclogs and cleans gravel beds

Provides potassium

Removes gunky wastes

Naturally size-appropriate and an excellent food for the smallest SPS Corals (such as Acropora and Montipora) up to LPS Corals (including Goniopora and Favites) and many other invertebrates

Reef Endurance Magnesium Sulfate (3.8 lbs) Maintains water clarityReef Endurance Magnesium Chloride is a pharmaceutical based aquarium supplement that mixes crystal clear with no unwanted impurities. Maintaining a proper magnesium level of 1200 1350ppm in reef aquaria helps achieve the essential balance of calcium and alkalinity in the aquarium by preventing excess calcium carbonate precipitation. For best results, use in conjunction with Reef Endurance Magnesium Sulfate for a complete balance. Replenish and