Suitable for Nissan Bluebird U15Z trailer hook cover, front bumper trailer hitch cover 622A0-5MA0H

Unblocking a bathroom sink is a straightforward process. Most of the time, you just need to clean out the basin waste. However, sometimes the waste pipe itself can get clogged. In this case, you'll usually have to use a chemical drain unblocker. Read on for our step-by-step guide to unblocking a basin.