PH BUFFER CALIBARATION POWDER SET (PH4.00, 6.86, 9.18)

PH BUFFER POWDERS FOR ALL TYPES OF PH METER CALIBRATION. BUFFER POWDER SET INCLUDES (pH4.00, pH6.86, pH9.18)
YOUR PH METER READING IS NOT SO ACCURATE ANY MORE? THIS BUFFER POWDER SET WILL HELP YOU RESTORE ACCURATE PH READINGS THROUGH CALIBARATION SO YOU DO NOT HAVE TO BUY A NEW PH METER.
If you have a pool, aquarium, or spa, pH testing is something you do on a regular basis. However, hassling with messy liquid solutions may not give you the accuracy you need. Put the measuring cup away and opt for pre-measured convenience.

Specifications:
✔ 2*4.01 Solution (Potassium Hydrogen Phthalate)
✔ 2*6.86 Solution (Mixed phosphate)
✔ 2*9.18 Solution (Borax)

Directions for use:

1. Completely empty the powder into a clean 250ml glass beaker.
2. Add 250ml deionized water (or distilled water) to the beaker.
3. Stir until the powder has completely dissolved.
4. Follow your pH meter calibration steps to calibrate your meter