About This

• Dual-Function Testing: pH + Free Chlorine Test both pH level and available free chlorine on a single strip. Ideal for verifying hypochlorous acid (HOCl) concentration and performance.
• Designed Specifically for Hypochlorous Acid Validation: Engineered with the correct pH and chlorine sensitivity range needed for testing HOCl solutions, electrolyzed water, and on-site generated disinfectants.
• Fast, Easy, and Accurate Results: Dip the strip, wait 15 seconds, and compare to the included high-contrast color chart for quick and reliable readings.
• Perfect for Home, Commercial, and Industrial Use: Great for cleaning professionals, HOCl device owners, food-service sanitation, healthcare settings, and home disinfectant testing.
• Convenient 100-Strip Kit with Moisture-Sealed Packaging: Each kit contains 100 combination test strips sealed for freshness to maintain accuracy over time.
• Works Great With Relief Hypochlorous Acid Tablets: These combination strips pair perfectly with Relief HOCl tablets, making it easy to verify proper pH and free chlorine levels during tablet activation.
• Warning: The test strips have an approved working range. They are designed to detect a maximum of 500 PPM of Chlorine. The pH maxes out at 9. You cannot test pH and Chlorine outside of this range. The strips will not change. These are not universal strips. If you test pure bleach the strips will bleach out and will not change. Pure bleach has a ppm of 50,000. This is well outside the range of the tests strips. If you are not getting a reading, your solution is either too weak or too strong. Bleach expires over time and will eventually turn into plain salt water. Please read the dilution chart and educate yourself before you attempt to dilute and mix your own chemical solutions.
• Professional Packaging & Compatibility: All Relief products are manufactured to strict quality standards and are sealed with tamper-evident packaging. Every item leaves our facility sealed, dry, and fully operational. For order handling inquiries, please utilize your standard account options. Relief Innovations is available for technical product questions.

Overview

• Package Dimensions ‏ : ‎ 3 x 2 x 0.25 inches; 0.04 ounces
• Date First Available ‏ : ‎ August 19, 2025
• Manufacturer ‏ : ‎ Relief Innovations
• ASIN ‏ : ‎ B0FMXH51MX
• Best Sellers Rank: #274,992 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #385 in pH Test Strips
• #385 in pH Test Strips
• Customer Reviews: 4.1 4.1 out of 5 stars (29)