The API® pH Test and Adjust Kit not only lets you easily and accurately test the pH level in your freshwater aquarium, but also allows you to adjust it to a safe level for your fish.

Tests pH levels from 6.0 to 7.6, and includes bottles to raise and lower pH to adjust aquarium water to desired levels.

Contains 250 tests and includes 3 test bottles, easy-to-read instructions, a glass test tube, and a color chart.