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 protection for accurate results.
* Highly precise colour charts.
* Dip directly into aquarium - no separate vial needed.
* Includes information on how to correct unsafe water conditions.
* For fresh and salt water. 125 Test, 25 Strips.