A safe and easy Universal Acid/Base Indicator. As the pH of a solution increases, red cabbage juice changes gradually from red to green. By matching the color of the solution to the included chart, the pH of a solution can be determined. Safer than phenolphthalein. This powdered extract is enough to prepare 5 gallons of indicator solution. Download the MSDS of this product.
A safe and easy Universal Acid/Base Indicator. As the pH of a solution increases, red cabbage juice changes gradually from red to green. By matching the color of the solution to the included chart, the pH of a solution can b...
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