Salifert Magnesium Aquarium Test Kit Ensure your reef’s ionic balance stays optimal with Salifert’s trusted Magnesium Test Kit. Featuring crisp color shifts and precise 30 mg/L increments, it’s the go-to tool for discerning reefers tracking essential magnesium levels. 🐚💎 Features & Benefits Measures magnesium with clear, sharp color changes in 30 mg/L increments Reliable accuracy—strontium and calcium interference is negligible within normal reef ranges Provides approximately 50 tests per kit—excellent value over time Salifert reputation for consistent, easy-to-use test kits Testing Tips Rinse the test tube with the sample before testing to avoid contamination. Add reagent drops steadily while gently swirling—stop when color saturation shifts. Match results immediately against the color chart for precision. Ideal reef magnesium levels are typically around 1,300–1,400 mg/L—test regularly to maintain consistency. What’s Included Reagent bottle for magnesium testing Test tube and easy-to-read color chart Instruction guide More Information Item Name Salifert Magnesium Aquarium Test Kit Brand Salifert Manufacturer SKU 205102 UPC 8714079130422 Tests Per Kit ~50 tests Resolution ~30 mg/L