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.
Directions
Dip directly into your aquarium and compare the colour against the highly precise color charts
Includes information on how to correct unsafe water conditions
Includes 25 strips
For fresh and salt water