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What gas causes a rotten egg smell?
Hydrogen sulfide gas (H2S) can give water a “rotten egg” taste or odor. This gas can occur in wells anywhere and be: Naturally occurring - a result of decay and chemical reactions with soil and rocks. Produced by certain “sulfur bacteria” in the groundwater, well, or plumbing system.
Does natural gas smell like eggs?
Natural gas is an efficient, safe, colorless and odorless gas. For easy detection, we add a harmless chemical called mercaptan to give gas a distinctive odor. Most people describe the smell as rotten eggs or hydrogen sulfide like odor. It smells bad for a good reason - in case of a gas leak!
Why does it smell like eggs in my house?
If you come home one day and smell rotten eggs, it's most likely hydrogen sulfide — the smell of sewer gas. If the issue isn't one of the ones mentioned above, then it's likely a sewer gas leak. Our noses tend to adjust to this smell quickly, so even if it disappears, there still could be a sewage problem.
What does methane gas smell like?
Back to sewer gas. Actually, sewer gas is mostly methane which is odorless but it's almost always mixed with other gases, the most common of which is hydrogen sulfide which has a rotten egg smell. Hydrogen sulfide comes from decomposing organic matter. Natural gas, for that matter, is odorless too.
How can you tell if you have a natural gas leak?
The smell of rotten eggs.
In its natural state, natural gas is odorless and colorless. To make gas leaks easier to detect, gas companies add chemicals called odorants to create a natural gas smell similar to sulphur or rotting eggs. The stronger this smell, the more likely it is that you have a gas leak.