Chlorine Test Strips

  • The Chlorine Test Paper measures total available chlorine from 0-200ppm, and give results in just seconds. Total available chlorine is the sum of free available chlorine and the combined available chlorine. Our chlorine test paper is most often used to test the strength of solutions used to sanitize surfaces, for example, in the restaurant industry. In these types of applications, bleach is usually used to generate the available chlorine.
  • The Residual Chlorine test strip is for use in ensuring free chlorine levels in drinking water are sufficient to inactivate the bacteria and viruses that cause diarrheal disease, as well as ensuring the water is protected from re-contamination during storage. The strip can also be used to ensure systems have no residual free chlorine after chemical sanitization by testing for very low levels of free chlorine in solution from 0.0 ppm - 5.0 ppm. The residual chlorine test strip is accurate within 5-10% of reading the color scale. The vial is sold with an illustrative color chart, which is helpful when testing drinking water from chlorine kits in developing countries.
  • The Low Level Chlorine test strip measures residual chlorine from 0-10ppm in increments of 0-0.5-1-3-5-10 in just seconds. This test strip detects residual levels of free chlorine. It is accurate within 5-10% of reading the color scale. The strip can also be used to test for chlorine in drinking water if this is a concern, however, our Residual Chlorine test strip, which measures up to 5ppm, may be a better suited option for testing residual in drinking water.
  • The Mid-Level Chlorine test strip provides an easy way to accurately measure Free Chlorine in increments of 0, 25, 50, 100,and 200ppm. This test strip produces a distinct color change over the entire range from blue to brown to orange. This is a great alternative to our Chlorine Test Paper as it is a more accurate measurement of free chlorine. Our Chlorine test paper is only a semi-quantitative measurement, meaning it changes darker shades of one color (purple).
  • The Chlorine 0-300ppm test strip provides an easy way to accurately measure Free Chlorine in increments of 0, 25, 50, 100, 200, and 300ppm. This test strip produces a distinct color change over the entire range from blue to brown to orange. This is a great alternative to our Chlorine Test Paper as it is a more accurate measurement of free chlorine. Our Chlorine test paper is only a semi-quantitative measurement, meaning it changes darker shades of one color (purple). This is almost identical to our Mid-Level Chlorine 0-200ppm test strip with one extra increment.
  • The Chlor-Assure Chlorine test strip measures Free Chlorine in increments of 0, 25, 50, 100,150, and 200ppm. This test strip can be used in conjunction with our Chlorine Test Paper as a confirmation. The Chlorine test paper is good for qualitative results, while the Chlor-assure test strip is better at quantitative results. The inexpensive paper strips are often used to monitor whether or not the solution is in the ballpark. Chlor-Assure and/or Mid-Level Chlorine test strips are more often used when you need to record results. For another free chlorine test alternative, check out our Mid-Level Chlorine Test Strips.
  • The High Level Chlorine test strip tests levels of free chlorine in a solution, in steps of 0-50-100-250-500-1,000ppm, giving results in just seconds. This test strip is used where higher levels of disinfection are required. The higher range provides a much higher degree of certainty that all organisms are either killed or rendered ineffective. We also have higher level chlorine strips available, including our Active Chlorine, which measures up to 2,000ppm and our Extra High Level Chlorine, which measures up to 10,000ppm.
  • The Active Chlorine test strip tests levels of free chlorine in a solution. The increments are 0, 25, 50, 200, 500, 800, 1500, 2000ppm. The color chart has obvious color changes from blue to brown to orange. This test strip is very easy to use, and gives results in just seconds. The Active Chlorine test strips can be used in facilities where food preparation areas, equipment, and general disinfection are more strictly controlled. Specifically, this product was developed for use in daycare centers and senior homes, where a disinfection level slightly higher than that available using our High Level Chlorine strip is required.
  • The Extra High Level Chlorine test strip tests levels of free chlorine in a solution, in steps of 0-1000-2500-5000-7500-10,000ppm, giving results in just seconds. This test strip is great for environments requiring high levels of sanitation/disinfection, such as hospitals.

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