Water has many amazing capabilities. Did you know that it can work as a seal against bad odors? If you weren’t aware, there are several places in your home where it is doing exactly that. It is inside your pipes in something called a p-trap. You will find these installed anywhere there is water draining down the sewer. The reason you need a p-trap is to keep sewer gasses from finding their way into your home. Sewer gas is toxic and it smells terrible, so you can be thankful that your p-traps are doing their job. You will recognize a p-trap by the shape. Looking underneath your sink you will see a pipe that looks like a P lying down. The bottom part of the pipe is always filled with water and that way it effectively seals the sewer gas out while allowing water and waste to travel through unhindered.

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