Macherey-Nagel Pehanon pH 3.8-5.5 Test Strips combine the pH indicator and reference color chart on a single strip, ensuring easy and accurate readings. By allowing the sample color to affect both the test pad and the reference scale equally, these strips deliver unadulterated pH results even in colored solutions. Designed for reliability and simplicity, they provide a quick and convenient solution for precise pH determination across various applications.
