API 5in1 Aquarium Test Strips - 25 ct

The quick and accurate way to test for pH, Nitrite, Nitrate, General Hardness and Carbonate Hardness. Desiccant-lined tube, with snap-tight cap, provides maximum moisture protection for accurate results.

Highly precise color charts
Dip directly into aquarium – no separate vial needed
Includes information on how to correct unsafe water conditions
25 strips
For fresh and salt water