This Simple Trick for Toilet Cleaning Will Save You Time and Money For general cleaning Vinegar soak: Pour about two cups of white vinegar into the bowl and let it sit for at least 30 minutes, or overnight for tougher stains, to break down grime. Scrub with a toilet brush and flush. Vinegar and baking soda: Add baking soda to the bowl, followed by vinegar. The fizzing action helps clean and deodorize. Let it sit for 30 minutes, then scrub and flush. Coca-Cola: Pour a cup of cola into the bowl, l