API Freshwater Master Test Kit
The API Freshwater Master Test Kit is highly recommended for all aquaponic systems! Includes all tests required to test the nitrogen cycle. This kit tests aquarium water for five different parameters that affect the health of freshwater fish: pH, High Range pH, Ammonia, Nitrite and Nitrate. Highly accurate and economical. Unique, transparent dome allows clear view of contents. Kit includes computer-calibrated and laminated color cards, 4 glass test tubes and holding tray. Also contains complete, step-by-step instruction booklet, including information on how to correct unsafe water conditions. Compact and easy to store. Over 800 tests.