About This ✔EASY TO USE: Single dip and read test strip procedure and optimized colour chart make the product ideal for technical and non technical users alike for detection of pH, Total Alkalinity, Total Hardness, and Total Chlorine in water ✔DETECTION LEVELS: pH: 2. 0, 4. 0, 5. 0, 6. 5, 8. 5, 9. 5, 10. 5, 12. 0--- Total Alkalinity: 0, 40, 80, 120, 180, 240, 500 ppm (mg/L)--- Total Chlorine: 0, 0. 2, 1. 0, 4. 0, 10. 0 ppm (mg/L)--- Total Hardness: 0, 50, 120, 250, 425, 1000 ppm (mg/L)--- ✔COMPLETE KIT: Pack of 30 individually wrapped test strips packed Pocket Pouch with colour chart ✔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 ✔ 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 Overview Brand : Industrial Test Systems Ph Range : 2.0-12.0 Recommended Uses For Product : Home Water, Tap Water Unit Count : 1.0 Count Manufacturer : Industrial Test Systems, Inc (Sensafe) - BISS