Baking Soda and Vinegar Pour about 1 cup of vinegar into the toilet bowl and swish it around with a toilet brush. Let it sit for about one minute. Add about 1 cup of baking soda to the toilet bowl , then add another 1 to 2 cups of vinegar. This will create a fizzing action. Likewise, people ask, how do I remove brown stains from toilet bowl? Pour one liter of undiluted vinegar around the sides of the toilet bowl, Let it be for about three hours, Scrub off any leftover stains with white vinegar, Flush the toilet off to get rid of residue, Repeat if needed. Furthermore, how can I whiten my toilet bowl? Sprinkle baking soda on the interior of the toilet bowl , getting it as far beneath the rim as possible. Spray white vinegar onto the baking soda. Combining the two causes the baking soda to fizz, which helps break down soil. Alternatively, use a scouring gel. Herein, how do you get rid of Toilet Bowl rings? To clean a ring in a toilet bowl, sprinkle baking soda aroun...