Deronweer PH Meter Buffer Solution Powder, packet of 4.01, 6.86, 9.18 PH Calibration Powder Solution. Hello,friend,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! Don't Miss Out On This Excellent pH Calibration Powder, Click "Add to Cart" Now!
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