A single litre of cooking oil is enough to pollute 1 million litres of water, making it one of the most contaminating and environment wrecking recyclable materials. And it's a waste produced by almost every household in the world.

Making soap out of your used cooking oil is extremely simple and will also save you money on soap. You only need water, used oil and caustic soda to make it.

You can't access high grade caustic soda in your country? No problem, you can substitute it with ashes from your bbq, and you'll get potassium soap, which you can use not only to clean stuff (and yourself), but also to fight aphids and other garden plagues.

Here's how two million litres of water saved look like:

#naturevives #zerowaste