Good afternoon. It can happen to many people that a clogged sewer can occur. What to do in such situations you can learn in more detail in this article https://drainexpress.ca/when-should-i-call-a-plumber-for-a-clogged-drain/ , because there are many things described in detail. For example, you can find out in what cases it is necessary to call a plumber, and in what cases, there is no need for this.