The effectiveness of this method lies in simple chemistry. Baking soda (sodium bicarbonate) is a mild base, while vinegar (acetic acid) is a weak acid. When combined, they undergo an acid-base reaction that produces carbon dioxide gas. In the confined space of a toilet drain, this rapid release of gas creates a vigorous fizzing action—thousands of tiny bubbles expanding and agitating the water. This physical force can effectively break up and dislodge soft blockages, such as those composed of toilet paper, soap scum, and organic waste. Unlike the corrosive heat or toxic fumes of chemical drain openers, this reaction is non-caustic and safe for porcelain and PVC pipes, making it an ideal first attempt before resorting to more aggressive tools or chemicals.
You have already used (mixing vinegar with chemicals can create toxic gas). Preventive Maintenance using baking soda and vinegar to unclog toilet
Desperate and unwilling to face the "Plumber’s Emergency Weekend Rate," Arthur raided the pantry like a mad scientist. He emerged with a box of Arm & Hammer and a gallon of white vinegar. The effectiveness of this method lies in simple chemistry
Allow the mixture to work its magic for at least 30 minutes. For stubborn clogs, let it sit overnight. The longer it sits, the more time the reaction has to eat away at the clog. 5. The Hot Water Flush In the confined space of a toilet drain,