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7PROS CALIBRATION BUFFER POWDER

9.95 $USD

  • FULL RANGE. You get 5 sets. Each set includes one package of 4.00, one of 6.86 and one of 9.18 calibration solution for all pH needs

  • FAST and EASY. No need to measure, just mix individual packs with distilled water.

  • ACCURACY. Calibration powders enable you to test the pH of your pool, aquarium, water, and more quickly with your pH tester / meter

  • LONG -TERM USE. Save time and money by mixing powders in a jar of distilled water. This lets you keep them longer and more readily available without needing more packets!