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Bulk Reef Supply · Supplementation

Pharma Magnesium Mix for 2-Part Maintenance

BRS Pharma Magnesium Mix for 2-Part Maintenance is a pharmaceutical-grade pre-mixed blend of magnesium chloride and magnesium sulfate (5.25 cups : 2 cups) that makes 1 gallon of liquid magnesium solution. Designed for weekly or monthly dosing and small adjustments, it maintains magnesium levels to balance calcium and alkalinity in reef tanks without residue, keeping adjustments under 100 ppm per day.

Price: $19.99 USD

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