But, there is a better way: DIY toilet cleaner tablets! Made from baking soda, citric acid, castile soap, and lemon essential oil, these homemade toilet bowl cleaner tablets offer a powerful ...

Toilet cleaning product advertisements ... desired effect—the bowl will be clean and fresh. Citric acid, along with vinegar and baking soda, is one of the most effective home cleaning agents.

There are many methods that claim to eradicate limescale, from vinegar and baking soda to lemon ... a "small amount" of citric acid, which is why some people use it to clean things like toilets.