FritzPro Aquatics Magnesium Sulfate - 453g

FritzPro Aquatics Magnesium Sulfate – Reef-Grade Magnesium Supplement (453 g)

FritzPro Magnesium Sulfate provides a high-quality source of magnesium to stabilize seawater chemistry essential for coral, invertebrate, and reef tank health. It helps maintain calcium, alkalinity, and pH balance, while preventing scale buildup on heaters and pumps.

Benefits

• Pure, phosphate- and ammonia-free magnesium salt
• Restores optimal reef magnesium levels (1,250–1,350 ppm)
• Helps prevent calcium precipitation on aquarium equipment
• Supports healthy coral and coralline algae growth
• Compatible with magnesium chloride for natural seawater ratios

Directions & Dosage

• Test current magnesium levels before dosing
• Add 3.5 g (1 tsp) per 10 US gal to raise Mg by ≈10 ppm
• Do not raise Mg by more than 100 ppm within 24 hrs
• Dissolve in RO/DI water and add to a high-flow or sump area
• Split larger doses into partial increments with 24 hr intervals
• Warm dissolution is normal; wear gloves and avoid skin contact
• Safe with equipment and all livestock

Product Details