The API® Saltwater Test Kit measures the four most important saltwater parameters - pH, ammonia, nitrite, and nitrate - enabling you to easily test your tank's natural cycle and help maintain a healthy and thriving aquarium. The test is quick, easy, and accurate, providing precise results, and comes with 4 glass test tubes with secure caps and a convenient container for easy storage. This kit also includes a complete step-by-step instruction booklet with a color chart that provides information on how to correct unsafe water conditions. Each saltwater test kit will perform over 550 tests, so you can make the most of your kit for years of fast and accurate water testing.

We recommend taking a few minutes each week to monitor the conditions of your aquarium and create a better underwater world for your fish. Aquarium water testing has never been this easy or accurate before!

Contains 550 tests and includes 6 test Fluids, easy-to-read instructions, 4 glass test tubes, and a color chart.