Maintaining good water quality is the key to successful fish keeping. With the API Freshwater Master Aquarium Water Test Kit you can test the most important levels in your freshwater aquarium. Plus this kit includes step-by-step instructions oh how to preform each test, how to interpret the results, and how to correct unsafe water conditions 

Included in this kit:

• 4 Glass test vials
• Ammonia test
• Nitrite test
• Nitrate test 
• pH test
• High range pH test
• Freshwater master test booklet and color chart