Easy-to-use tests for the accurate monitoring of all of the important parameters during the biological maturation of marine and reef aquariums Red Sea Marine Care Multi Test Kit is a complete multi-test pack including all of the tests necessary to monitor the biological maturation of new systems and for the ongoing maintenance and algae management of fish-only aquariums. The Marine Care Multi Test Kit includes the tests: - pH- KH- Ammonia (NH3/NH4)- Nitrate (NO3)- Nitrite (NO2) Marine Care Multi Test Kit Specifications: Test Name Element Accuracy Range Test Type No. of Test Ammonia NH3/NH4 0.2 ppm 0-2 ppm Colorimetric 100 Nitrate NO3 2 ppm 0-250 ppm Colorimetric 100 Nitrite NO2 0.05 ppm 0-1 ppm Colorimetric 60 pH pH 0.2 ppm 7.6-8.6 Colorimetric 100 Alkalinity dKH 1 dKH/0.36 meq/L 0-∞ Titration 55 * Information as per Manufacturer