Drain nuts can easily drive you nuts if not installed properly or forgotten about completely. These little parts can cause big problems, but they’re also extremely easy to replace if one is found to be the cause of your plumbing problems. Drain nuts are inexpensive and can be bought in bulk, so stocking up before you run into trouble is a smart idea. These little bad boys hold everything in place, and when one fails to do its job, it’s time to switch it out for a new nut. Get a little grease on your elbows and learn how to replace drain nuts to save yourself time and money.