The Chlorine HR test strip measures Free Chlorine in increments of 0, 25, 50, 100,150, and 200ppm. The Chlorine HR 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. Chlorine HR test strips are more often used when you need to record results especially when carrying out disinfections at 50ppm.
Quantity – 100 strips per pack
The above information is believed to be correct but does not purport to be all inclusive and shall be used only as a guide. The company shall not be held liable for any damage resulting from handling, contact, mis-use or mis-application of the above product. In all instances the user should satisfy themselves that this product is suitable for the anticipated application and should carry out suitable and sufficient risk/COSHH assessments and a method of use statement.