This is a fast, easy and cheap (under $3) way to unclog a bathroom sink without chemicals.  How to: 4 easy steps Figure out cause of the clog. After a 30 second Google search, I found The Home Depot’s recommendation on How to Unclog a Bathroom Sink excessive for my needs (lots of steps). But, it did help me learn to first think through what’s causing the issue before jumping to a seemingly easy fix using chemicals that may not be needed. My Cause – I knew it was hair because I am the only owner of my home (wasn’t a previous owner/tenant clogging) and my wife has a lot…