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.
The smell can originate from hydrogen sulfide gas in softened water and can be from a number of sources. However, due to the smell being from the hot water, it is likely in your hot water heater. The sulfur smell in hot water heaters typically originates because of two reasons: