Universal indicator is a wide range indicator and is composed of several different indicators. This allows it to exhibit a wide range of colors at different pH values – visualized here as the “pH ...

Universal indicator is a mixture of a variety of other indicators and can be used to measure the approximate pH of a solution. A more accurate value can be obtained using a pH probe.

Universal indicator is a special indicator because it turns into a different colour at many different pH values. The colour of universal indicator at different pH values is shown further below.