➤ If you have a fish tank, a swimming pool, RO system, a pool or a pond in the garden, you're a fan of gardening or you are measuring PH of your drinking water, then you definitely own a PH meter, and pH Meter Buffer Solution Powder is something you do on a regular basis. ➤Specifications: ● 4*4.00 Solution (Potassium Hydrogen Phthalate) ● 4*6.86 Solution (Mixed phosphate) ● 4*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 pH meter calibration steps to calibrate your pH meter. CAUTION: Not a drinkable solution! Our pH buffer powder has a shelf life of 3 years.Just be sure to keep the packets sealed and store them in a dry space!
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