API Freshwater Master Test Kit | Complete Aquarium Water Quality Testing

Most water problems are invisible to the naked eye. Ensure your freshwater fish thrive with the API Freshwater Master Test Kit . Because water parameters can change rapidly due to fish waste, uneaten food, or adding untreated water, testing is essential. Left uncorrected, poor water quality can lead to reduced oxygen, severe stress, and a much higher risk of disease. This complete kit allows you to quickly, easily, and accurately measure the six most critical aquarium water levels to maintain a safe and hospitable environment for your aquatic community. What It Measures: Ammonia pH High Range pH Nitrite Nitrate What’s Included in the Box: 4x Glass test tubes with snap-tight caps 1x Convenient holding tray 1x Computer-calibrated, laminated color card 1x Step-by-step instructional booklet Why Choose API? For almost 60 years, API has been developing premium solutions with proven, effective results for fishkeepers worldwide. Dedicated to making a better underwater world, API provides safe, hospitable environments for tropical community fish, cichlids, goldfish, and more. Instructions for Use: Fill the test tubes with your aquarium water. Add the specified test drops according to the instructional booklet. Compare your results directly to the provided laminated color card. Follow the recommendations on the card to correct any imbalances. Pro Tip: Test your water weekly for the best results and to prevent harmful conditions from accumulating!