Is it an acid, base, or neutral? Make your own acid-base indicator from red cabbage, then test various household substances. Acids and bases are classes of materials that have different properties.

Person harvesting a head of red cabbage - Svetlana Verbitskaya/Getty Images One of the best ways to prep your soil for successful planting in the garden is to understand its pH level. Measuring the pH ...

It's an easy way to check the acidity of your soil. Boiled red cabbage water can be used as a simple DIY soil pH test by mixing it with soil and observing the color change after a few hours. The ...