What is a common sign that sanitizer buckets need to be changed?

A common sign that sanitizer buckets need to be changed is when they are soiled. This indicates that the sanitizer is no longer effective in killing bacteria and other pathogens, as it can become contaminated with dirt, debris, and organic matter. When the solution is visibly dirty, it compromises the sanitization process, which could lead to unsafe food handling practices.

In the context of maintaining a clean and safe environment, it is essential to regularly check the condition of sanitizer buckets. If they appear dirty, it is a clear indication that they need to be refilled or replaced to ensure that they continue to function as intended.

Other options like the solution being clear or smelling strong do not necessarily indicate that the sanitizer is effective or needs changing. For example, a clear solution might still be effective, and a strong smell does not equate to better sanitization. If the buckets are too light, this may or may not indicate that the solution is depleted; it's more about the observed cleanliness that warrants a change. Therefore, identifying visible soiling is a key and definitive sign for changing the sanitizer solution.