A complete acid test kit, which includes: Standard Sodium Hydroxide Solution Acid Indicator Solution (Phenolphthalein) Calibrated Syringe Test Tube
Indispensable tool for the home winemaker. Because accuracy depends on a visual perception of a color change, results are not as accurate as performing the same test with a pH meter in lieu of the phenolphthalein color change indicator. Follow instructions precisely for the most accurate results. Use a white paper background when observing for color change end point in your sample.