All of the drains need to be in good working order in your home. When the plumbing gets backed up, it can cause all sorts of problems including excess water and backed up toilets. It’s best to prevent such issues in the first place. One way to make sure your plumbing is always in the best shape is by making sure that certain items are never put down the drain. While you might have heard they might be safe, it’s best to keep them far away from your plumbing.