Why cover it? You want the fizzy reaction to happen inside the pipe, pushing down against the clog, not bubbling up uselessly into your sink. The pressure created by the trapped gas is what helps force the blockage loose.
Using vinegar and baking soda to unclog drains has several benefits: unclog drains with vinegar and baking soda
Sometimes the fizz isn't enough for a dense hair clog. In this case, combine methods: Why cover it
Using vinegar and baking soda to unclog drains is a natural, effective, and cost-effective solution that can help you avoid the hassle and expense of chemical drain cleaners. With this simple and easy-to-use method, you can keep your drains flowing freely and prevent future clogs from forming. Give it a try and see the difference for yourself! Using vinegar and baking soda to unclog drains
The chemical reaction between the cleaner and the vinegar could create toxic fumes or an explosion. If you have used chemicals, flush the drain with plenty of water for at least 15 minutes before trying this.
✅ Recommended for regular maintenance and mild clogs; ❌ Not sufficient for stubborn or complete blockages.