The API Freshwater Master Test Kit contains everything you need to monitor and treat 5 aquarium levels for optimal tank health. The complete kit measures levels of pH, High Range pH, Ammonia, Nitrite and Nitrate. These levels can change rapidly in response to fish waste, uneaten food, algae and water additions. API test kits deliver unparalleled accuracy for home users and provide quick results for on-the-spot adjustments. The kit includes 7 test bottles, easy-to-read instructions, glass test tubes and color chart. To use the API aquarium test kit, simply fill the test tubes with tank water and reagents as indicated in the instructions, the compare results with the color card. The kit includes recommendations on the color card to indicate whether action is required.

This highly accurate freshwater test kit is economically priced and includes all tests required to test the nitrogen cycle of your aquarium for a complete picture of water health. The API test kit contains enough materials to perform over 800 tests. 5.3″ x 6.8″ x 4.85″

• Tests and monitors five aquarium levels
• Tests pH, high range pH, ammonia, nitrite, and nitrate
• Delivers unparalleled speed and accuracy
• Easy to use with step-by-step instructions
• Contains enough materials for over 800 tests