When you get into your shower, the last thing you want to do is clean yourself in water than smells like onions. Odors from tap water are a common complaint and usually signify nothing dangerous. When you encounter a gross onion smell in your tap water, you can take steps to get the smell out of the water.
Testing For The Cause Of The Problem
When your water has an onion odor, the cause can either be the water or another contributing factor. Before taking steps to stop the odor, you need to determine if the water is the actual problem or if the smell is being caused by something else. You can easily test if this is the problem by catching some of the water in a jar or glass and taking it outside. If it smells fine when you are outside, then the problem is not with the water itself. If the water does smell, you should contact your water supplier to have the safety of the water tested.
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Plugged Drain or Garbage Disposal
If you have a clog in your garbage disposal or kitchen drain, this can cause your shower to smell like onions. What happens is that the water running to the shower can free the gas from the bacteria in the clog. The result is that you smell the gas coming out of the tap in the shower. If you want to stop this smell, you need to clean the drain out. Do this by flushing the drain and pouring in some bleach to sit overnight.
Lack of Usage
If you have been away from home, or have not used the water in some time, it can result in bad smells. What happens is that the pipes dry out and allow sewage odors in. To avoid this problem, turn on all the taps and let the water run for a few minutes after returning home. This will get all of the smell out before you get in the shower.
Hot Water Heater
Your hot water heater may be to blame for the onion smell in your shower. If not used for a few days, the metal in the tank can cause the water to smell. This can also happen if you have the thermostat set at a temperature too high or too low. A hot water heater technician can assist you in getting the setting at a good place.
Jamie Lisse has been writing professionally since 1997. She has published works with a number of online and print publishers. Her areas of expertise include finance and accounting, travel, entertainment, digital media and technology. She holds a Bachelor of Arts in English.