pH Buffer #4

pH Calibration Solutions are available for all of your pH meters.

Available in: 500ml

What is pH Buffer #4

Each solution is made with superior quality ingredients and is conveniently colour-coded for easy reference. Be sure your meters are accurate by calibrating with Grotek Solutions.

* Only available in Canada


1. Rinse probe with water before use and dry with paper towel.
2. For best results, Buffer Solution must be at room temperature.
3. Place pH meter probe in the pH #7 Buffer Solution.
4. After the reading on the meter is steady, adjust the meter to give correct reading.
5. Rinse meter probe with water and dry with paper towel.
6. Place pH probe in pH #4 Buffer Solution and adjust meter to give correct reading.

Works well with