• ✔EASY TO USE: Minimal preparation and safe to use materials makes this kit the perfect teaching tool. Easy to follow activity CD-ROM included
• ✔COMPLETE KIT: Includes enough materials for a classroom of 30 to perform eleven educational activities and experiments
• ✔ HIGHEST QUALITY: ITS, manufactures test strip products in their USA facility in an environment that allows for reproducibility, accuracy, and traceability based on Good Manufacturing Practices
• ✔ACCURATE AND RELIABLE: Components are tested by Quality Control personnel at each step and are rejected if they are outside of specifications. Standards are prepared using calibrated equipment, and concentrations are confirmed by recognized reference methods
• ✔DETECTION LEVELS: Free Chlorine: 0. 0, 0. 1, 0. 2, 0. 5, 1. 0, 2. 5, 5. 0 ppm; Total Chlorine: 0. 0, 0. 1, 0. 2, 0. 5, 1. 0, 2. 5, 5. 0 ppm ; Iron (Fe 2): 0. 0, 0. 05, 0. 1, 0. 3, 1. 0 ppm; Copper: 0. 0, 0. 1, 0. 5, 1. 0, 2. 0 ppm; Nitrate (as N): 0, 2. 0, 10, 20, 50 ppm; Nitrite (as N): 0, 0. 3, 0. 5, 1, 3 ppm; pH: 5. 0, 6. 5, 7. 0, 7. 5, 8. 0, 8. 5, 11 pH; Total Alkalinity: 0, 40, 80, 120, 180, 240, 720 ppm; Total Hardness: 0, 50, 120, 180, 250, 425 ppm