Acid-Base Project help.
{drjreid.com home} {assignments and calendar page}
Red Cabbage Indicator URL's:
These hyperlinks will allow for you to develop your indicator. Other, perhaps better, protocols exist. If you are having difficulty finding a calibration scale regarding the indicator color, these links will help.
About.com's answer to red cabbage indicator
Indicator Color and Specific Details
Additional Acid-Base Project Help:
Acid-Base Review Sheet, some self-Help for your assessment--I'm online!