Skills Hub
food-safety-sanitizing
Sanitizer Concentration Testing
Always tested on the ServSafe
Test sanitizer concentration hourly with the correct test strip.
About this skill
Sanitizer concentration testing with the correct test strip for the sanitizer type: chlorine (50 to 100 ppm), quaternary ammonium (200 to 400 ppm), or iodine (12.5 to 25 ppm).
13 total steps
9 critical steps
Time limit: 2 min
What graders are watching for
- 1Use the right strip for the sanitizer
- 2Test at the start of the shift and hourly
- 3Read at the manufacturer-specified wait time
Common mistakes (and how to avoid them)
- !Wrong strip for sanitizer type
- !Reading too soon or too late
- !Not adjusting concentration out of range
Practice this skill step-by-step
The static walkthrough above is the marketing overview. The full step-by-step interactive practice (with critical-step highlighting, per-step "why this matters" rationale, and what graders watch for on each individual step) is unlocked with a subscription.