VIDEO: Running Out of Harpic, Coca Cola Will Clean Your Toilet Better

Due to its acidic nature, Coca-Cola can be used to clean toilets, cook a steak, and even make an emergency oil lamp! So if your toilet has rings and lime scale stains, but you’ve got no cleaning gear on hand, you can grab a can of Coke out of the fridge to make your porcelain throne sparkle.
Cleaning the toilet is one of the most dreaded household tasks. There’s nothing glamorous about it, but if you use Coke, it’ll turn the messy chore into a simple task. Plus, you won’t have to deal with all those chemical fumes either. In fact, if you don’t use all of it, you can have yourself a drink! (Huffington Post)
Check out these two videos.