EFFINGHAM COUNTY, Ga. (WTOC) - In this Summer Science experiment Bailey, Lily, Ella and Reese show us how red cabbage can be used to test how acidic different liquids are. When the indicator touches ...
It's an easy way to check the acidity of your soil.
In a British back garden, a leftover red cabbage can rival pricey pH kits. This simple colour trick shows whether your soil ...