The combination of bicarbonate of soda (an alkali) and white vinegar (an acid) creates a chemical reaction that produces carbon dioxide gas. This fizzing action can help physically break up organic material—like excess toilet paper or waste—that is causing a minor blockage. It is also effective at descaling pipes and removing soap residue. Step-by-Step Guide: Unblocking a UK Toilet 1. Prepare Your Supplies You will need: 1 cup (approx. 200g). White Vinegar: 2 cups (approx. 500ml).

If the bicarb and vinegar method doesn't work, you may want to try:

A bucket or kettle full (hot, but never boiling, as boiling water can crack the porcelain bowl). 2. Manage the Water Level