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15 Pack PH Calibration Buffer Solution Powder Set, for Precise pH Meter Calibration, Make 250 ml of Each 4.00pH, 6.86pH, and 9.18pH to calibrate Your PH Tester
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About 15 Pack PH Calibration Buffer Solution Powder
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 testing is something you do on a regular basis. If not - you should definitely look for our pen type 7Pros Ph tester. Even though, portable PH meters are easy to use, they require calibration at time to time. And this mega value 5-pack calibration kit is time and money saving. 7Pros Buffer Solution Powders come in pre-measured packets: Just mix each packet with 250 mL of distilled water, and your calibration solution is ready. Note, that you can store the calibration liquid in covered jars or containers for 2-4 weeks. Measurements and Solutions: Potassium Hydrogen Phthalate (4.01) Mixed Phosphate (6.86) Borax (9.18) CAUTION: Not a drinkable solution! Important: Before purchasing, make sure that your meter uses above listed solutions for calibration.
