FritzPro Aquatic Magnesium Chloride - 453g

FritzPro Magnesium Chloride – Reef‑Grade Magnesium Supplement (453 g)

FritzPro Magnesium Chloride is a high-quality, pure magnesium chloride powder designed to restore and maintain optimal magnesium levels (1,250–1,350 ppm) in reef and marine aquariums. Its precise formulation helps stabilize the calcium‑alkalinity‑pH balance essential for healthy coral growth and prevents calcium carbonate precipitation on equipment.

Key Features & Benefits

• Pure and phosphate‑free—safe for corals, invertebrates, and sensitive livestock
• Helps maintain the ideal magnesium range (1,250–1,350 ppm) crucial for reef stability
• Prevents excessive calcium carbonate precipitation on heaters, pumps, and ornaments
• Supports coral and coralline algae calcification and invertebrate health
• Compatible with FritzPro and RPM seawater supplement systems

Directions & Dosage

• Test current magnesium concentration before dosing
• Dissolve required amount in RO/DI or distilled water
• Use 4.4 g (1 level tsp) per 10 US gal to raise Mg by ~14 ppm
• Do not increase Mg by more than 100 ppm per day
• For large adjustments, divide doses in thirds or halves and wait 24 hrs between
• Add slowly to a high-flow area or sump; no special equipment needed
• Safe for all livestock and medical treatments
• Hot dissolution is normal—use gloves, avoid eye and skin contact

Product Details