use ½ cup of vinegar for each ½ cup of water, and mix in 2 tablespoons of baking soda. Whip up a big batch, put it in a spray ...

The vinegar and baking soda are reacting with each other, not with your dirty surface, which is why this combination is usually no better at cleaning than water. Here's what to use instead.

Thanks to its acidity, vinegar can easily clean grease, grime, and even soap residue with ease. Just mix equal parts vinegar and water in a spray bottle, and you've got a strong multi-surface cleaner ...