Calibration Powder pH 6.86 (25°C)

The water-soluble calibration powder pH is used for the precise adjustment (calibration) of digital meters pH.

Dissolves in 250ml deionized or distilled water to create a buffer solution, ensuring reliable measurements in hydroponics, aquariums, and laboratories.

Instructions: Empty all the powder into a container. Add 250ml deionized water. Stir well until fully dissolved. Immerse the meter pH in the solution and adjust it to the desired level pH