Click âDisease of the Week,â find rotavirus, and take the quiz to test your knowledge! Rotavirus is a contagious virus that can cause gastroenteritis (inflammation of the stomach and intestines). Symptoms include severe watery diarrhea, often with vomiting, fever, and abdominal pain.
The incidence of rotten egg odor or black water in hot water lines is due to the reaction of. sulfates and micro-organisms in the water that create Hydrogen Sulfide (H2S). This is a water. chemistry condition, rather than a water heater problem.
How to check your hot water temperature at home. 1  Use a thermometer that can show high temperatures, like a meat or candy thermometer. 2  Turn on the hot water tap in your bathroom. 3  Fill a cup with the hot water. 4  Look at the temperature.  If you have found that your hot water is too hot, here is what to do to lower your hot water temperature.