Easy-to-use tests for the accurate monitoring of all of the important parameters during the biological maturation of marine and reef aquariums. NH 3 /NH 4 | NO 3 | NO 2 | pH | KH Red Sea Marine Care Multi Test Kit is 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, nitrate and nitrite in a durable, chemical-resistant plastic box. Marine Care Multi Test Kit Specifications: Test Name Element Accuracy Range Test Type No. of test Ammonia NH 3 /NH 4 0.2 ppm 0-2 ppm Colorimetric 100 Nitrate NO 3 2 ppm 0-250 ppm Colorimetric 50 Nitrite NO 2 0.05 ppm 0-1 ppm Colorimetric 50 pH pH 0.2 ppm 7.6-8.6 Colorimetric 100 Alkalinity dKH 1 dKH/0.36 meq/L 0- ∞ Titration 55 By using Red Sea’s Complete Marine Care Multi Test Kit, you can monitor all essential water parameters during maturation.