Product Review
pH buffer solution powder for perfect pH meter calibration. Light and portable just add distilled water. Makes 3 cups or jars of 1 of each 4.00pH, 6.86pH and 9.18pH solution.
pH buffer solution powder for perfect pH meter calibration. Light and portable just add distilled water. Makes 3 cups or jars of 1 of each 4.00pH, 6.86pH and 9.18pH solution.