cabbage PH stripsMake your own pH indicator solution! Red cabbage juice contains a natural pH indicator that changes colors according to the acidity of the solution. Red cabbage juice indicator is easy to make, exhibits a wide range of colors, and can be used to make your own pH paper strip.
PH/Color
2 Red
4 Purple
6 Violet
8 Blue
10 Blue-Green
12 Greenish Yellow
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