Hydrion® Tri-Chek pH Buffer Calibration Set (Micro Essentials)

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  • Mix with de-ionized or distilled water for fresh standards with known pH values
  • Set contains three 10-capsule vials for pH 4.00, 7.00 and 10.00
  • Each capsule produces 100 mL of solution
  • Included is one 4 mL bottle of preservative which prolongs shelf-life and automatically tints each solution to its own color value: orange for pH 4.00, green for pH 7.00 and blue for pH 10.00