Lock in ionic balance and stabilize alkalinity and calcium uptake. The NYOS Magnesium (Mg) Reefer Test Kit offers dependable titration readings across the full reef range with practical resolution for fine-tuning.
Reef-optimized range: Accurate across 1,200–1,500+ ppm
Practical resolution: ~20 ppm steps to guide dosing
Clean color shift: Easy endpoint recognition
Reliable reagents: Consistent drop-to-drop performance
Simple process: Clear instructions for repeatable results
Titration reagent(s) and indicator
Precision syringe with tip
Glass test vial with cap
Illustrated instruction sheet
Analyte: Magnesium (Mg²⁺)
Range: 800–1,800 ppm
Resolution/Accuracy: ±20 ppm
Test Type: Titrimetric (liquid)
Aquarium Type: Marine/Reef
Approx. Tests: 50
Manufacturer Part # (MPN): NYO-MAGNESIUM
Weekly Mg checks to stabilize KH and Ca
After large water changes or heavy coral growth spurts
When troubleshooting precipitation or ionic imbalance