1. Label the five beakers with their appropriate water sample names. 2. Put 10 mL of sample in their respective beakers.
Most countries, including Canada, have set an aesthetic rather than a health guideline for manganese. The reason for this is that levels above the guideline can stain porcelain and laundry, drinks such as coffee and tea can become cloudy and taste funny. High manganese levels can also cause diarrhea.