ITS Europe WaterWorks 480124 Free Chlorine Test Strip, Ultra High II Range, 61 Seconds Test Time, 0-2000ppm Range (Bottle of 50), 1

DETECTION LEVELS: Free Chlorine 0, 25, 50, 200, 500, 800, 1100, 1500, 2000 ppm - NOT FOR USE IN SWIMMING POOLS, undiluted Chlorine, non-chlorine bleach solutions or any other chlorine free solutions EASY TO USE: Single dip and read test strip procedure and optimized color chart make the product ideal for technical and non technical users alike for detection of Ultra High Range Free Chlorine in water - measures critical CHLORINE SANITIZING ranges (from 50- 200 ppm) and DISINFECTING ranges (from 500- 2000 ppm) - NO BLEACH OUT of indicator like other tests EASY TO USE: Single dip and read test strip procedure and optimized color chart make the product ideal for technical and non technical users alike for detection of Ultra High Range Free Chlorine in water - measures critical CHLORINE SANITIZING ranges (from 50- 200 ppm) and DISINFECTING ranges (from 500- 2000 ppm) - NO BLEACH OUT of indicator like other tests 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