Sulfur (Sulphur) or “rotten egg” odor can be a symptom of several issues. Churyk can test your water to properly eliminate the cause, not just the symptom. Often, high iron levels will cause bacteria to form. This is a common course of sulfur smell. We can address excessive iron at the source, eliminating the bacteria and the rotten egg smell. Additionally, hydrogen sulfide can also cause the unpleasant rotten egg smell. Churyk also provides filtration to eliminate hydrogen sulfide gas.