Opal® Test Strips are chemical indicators for use in determining whether the concentration of Ortho-Phthalaldehyde (OPA), the active ingredient in OPAL®, is above or below the Minimum Recommended Concentration (MRC) of 0.35%. It is recommended the OPAL™ solution be tested before each disinfection cycle to ensure the concentration of OPA is above the MRC. ARTG No: 206283

• Easy to use - 3 second dip time
• Results in 90 seconds
• Colour reference chart to confirm concentration amount
• Large, easy to read indicator pad
• Shelf life is 24 months unopened or 6 months opened