During field water purification, what is the required wait time after capping the container?

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Multiple Choice

During field water purification, what is the required wait time after capping the container?

Explanation:
Disinfection needs a short period for the chemical to work, which is why you cap the container after adding the disinfectant. The cap helps keep the solution mixed and prevents contamination or loss, so the disinfectant can contact all the water evenly. The standard field procedure requires a five-minute wait after capping to ensure sufficient contact time for pathogens to be inactivated. Shaking, leaving the cap loose, or waiting much longer isn’t part of this step and could interfere with proper disinfection.

Disinfection needs a short period for the chemical to work, which is why you cap the container after adding the disinfectant. The cap helps keep the solution mixed and prevents contamination or loss, so the disinfectant can contact all the water evenly. The standard field procedure requires a five-minute wait after capping to ensure sufficient contact time for pathogens to be inactivated. Shaking, leaving the cap loose, or waiting much longer isn’t part of this step and could interfere with proper disinfection.

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