API 5 in 1 Aquarium Test Strips

• 5-in-1 aquarium water tester - pH, NO2, NO3, KH, GH
• Use with Freshwater and Saltwater aquariums
• Easy to read color charts just dip and read

Highly precise color charts make it easy to determine aquarium levels to keep your fish healthy and thriving. Test for pH, nitrite, nitrate, general hardness and carbonate hardness all on one strip without multiple test tubes.

Range for pH is: 6.4, 7.2, 7.6, 8.0, 8.4.
Range for total hardness is: 0, 25, 50, 120, 250, 425.
Range for alkalinity is: 0, 80, 120, 180, 240, 300.
Range for nitrite is: 0, 0.5, 1.0, 3.0, 5.0, 10.0.