The API Marine Reef Master Test Kit tests the most important aquarium levels. Tests Calcium, Carbonate hardness, phosphate and Nitrate levels quickly and accurately. Calibrated specifically for reef aquariums keep your reef thriving and beautiful.

• Test Reef Aquarium water levels quickly and accurately
• Test Calcium, Carbonate hardness (KH), Phosphate and Nitrate
• Include 7 liquid test solutions, Instuction booklet, 4 glass test tubes and 2 color charts