Using Vinegar and Baking Soda in the Toilet Overnight: What It Does, What It Won’t, and How to Do It Safely
Essential Concepts
Vinegar alone can soften hard-water scale in a porcelain toilet overnight; adding baking soda usually weakens that effect because the fizz consumes acidity. Avoid any contact with bleach or bleach-containing cleaners, and use physical cleaning tools for clogs or heavy buildup.