KCL Potassium Chloride, 3M, 500mL

Designed for routine maintenance of all major brands of pH electrodes, AWS Reagents electrode fill solutions provide reliable compatibility and performance across a wide range of instruments.

For optimal electrode life and accuracy, we recommend replacing (not just refilling) the solution every 2 to 4 weeks.

Packaged in durable 500 mL poly bottles for safe handling and storage.