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.
- 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