Plumbing and water treatment companies often face many complaints about odors in hot water. It must be known that this phenomenon is often present in well water. If your hot and cold water smells like rotten eggs, the smell is usually caused by the levels of sulfur bacteria and Hydrogen Sulfide that can be found in the water. If the smell is present only when you use hot water, it may be a chemical reaction inside your water heater instead of a water supply problem.
What causes this reaction in the water heater?
Each water heater is manufactured with a magnesium anode to temporarily limit rust. In most cases, the sulfur odor is caused by high magnesium water that comes into contact with the original anode already present in the water heater. In addition, this odor could be created by bacteria (sulfur bacteria). If the odor problem comes from the reaction between the magnesium anode and your water, several options are available for you. However, it is important to know that these options are not all good in the long run.
Here are the 3 options available to you:
– First, it would be possible to stop these odors by completely removing the original magnesium anode in the tank. However, doing so is dangerous for the water heater because it has been deprived of its only rust protection. The weaker and more exposed places will then rust faster.
– It is also possible to change the magnesium anode by an aluminum anode. Water will no longer react with the new anode and odors should disappear. However, in most cases, the aluminum anode require more maintenance and could cause other problems.
– Finally, an imposed current anode such as CORRO-PROTEC titanium anodes are the ideal solution to these problems, because in addition to eliminating odors in a few hours, the CORRO-PROTEC anode stops corrosion inside of the tank and is guaranteed for 20 years, so you no longer have to worry about the rotten egg smells ever again.
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