Hach Free Chlorine Test Strips, 0-600 mg/L

Rapid, On-the-Spot Chlorine Monitoring for Demanding Water Quality Applications

Hach’s high-range free chlorine test strips offer a fast, simple, and effective method for semi-quantitative chlorine analysis in the field or lab. Designed for spot-checking and pre-screening, these test strips are ideal for technicians who need reliable chlorine data without the need for chemical handling or complex procedures.

Each strip features a unique reagent pad at the tip, manufactured using proven chemistries based on standard reference methods. The operation is simple: dip the strip, wait for color development, and compare the resulting color to the clearly printed reference chart on the bottle for an immediate result.

✅ Key Benefits

• Fast Results in Under One Minute
  Get clear, actionable chlorine readings in seconds, ideal for field technicians and lab analysts alike.
• No Chemical Handling or Clean-Up Required
  Each strip is pre-treated—no reagents, droppers, or mixing needed. Just dip and read.
• Accurate Pre-Screening and Spot Checks
  Designed for semi-quantitative analysis, these test strips provide a practical solution for quickly identifying elevated chlorine levels in water systems.
• Portable, Easy-to-Use Format
  Lightweight and self-contained, test strips are ideal for on-site testing and remote locations.
• Eliminates Guesswork in Water Monitoring
  A practical tool for screening samples before more in-depth analysis is performed, helping save time and resources.

Note: Not suitable for testing seawater or brackish water.

🧪 Applications

• Groundwater Monitoring
• Municipal Water Treatment
• Surface Water Quality Assessment
• Membrane Protection Systems
• Boiler and Cooling Water Checks

📊 Technical Specifications

📦 What’s Included

• 100 Free Chlorine High Range Test Strips
• Color comparison chart printed on bottle
• Instructions for use in multiple languages