15-pack pH Meter Buffer Solution Powder For Precise and Easy PH Calibration, PH Calibration Powder Solution 6.86,4.01,9.18

Your pH meter is not so accurate anymore?

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:
✔ 5*4.01 Solution (Potassium Hydrogen Phthalate)
✔ 5*6.86 Solution (Mixed phosphate)
✔ 5*9.18 Solution (Borax)

Directions for use:
Step 1:Completely empty the powder into a clean 250mL glass beaker.
Step 2:Add 250mL deionized water (or distilled water) to the beaker.
Step 3:Stir until the powder has completely dissolved.
Step 4:Follow the Esee pH meter calibration steps to calibrate your pH meter(Asin for Esee PH meter: B01LWMJVPG )

CAUTION: Not a drinkable solution!

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