You can also use this mixture to clean the seat, lid, and handle by mixing equal parts vinegar and water in a spray bottle.
: Pour 1 to 2 cups of white distilled vinegar into the bowl. Swish it around with a toilet brush to ensure the entire surface is coated, including under the rim.
Sarah started by pouring 1 cup of baking soda into the toilet bowl. She let it sit for a few minutes, allowing the baking soda to penetrate the tough stains. Next, she poured 1 cup of vinegar into the bowl, causing a gentle fizzing reaction.
Scrub the entire bowl with your toilet brush, paying extra attention to the waterline and under the rim. Flush to rinse.