What is the correct way to check a sanitizer to see if it is too strong or too weak?

Sanitizer is a type of antimicrobial that kills or inactivates permanently microorganisms such bacteria, fungi, and viruses that are found on surfaces. Its important to use test strips to test the concentration of sanitizer to ensure that they are not too concentrated or too weak. This is done by first ensuring the active compound in the sanitizer and then using the appropriate test strip to test the concentration.