Atlas Scientific pH 4.00, 7.00, 10.00, & pH Electrode Storage Calibration Solution 125ml - 4oz (Pack of 4)

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Calibration Solution Test Kit pH 4.0, 7.0, 10.0, & Electrode Storage Solution - Calibrate pH Meters & Protect pH Probe

Atlas Scientific is the industry leader in embedded chemical sensing. This highly specialized company focuses all of its resources on manufacturing the best chemical sensors and test chemicals on the market today. Atlas Scientific proudly offers its technology to individuals, industry professionals, and defense contractors worldwide.

  • Atlas Scientific's pH test solution standardized against NIST-certified references, each batch is manufactured under strict conditions to ensure quality and stability and is checked to verify calibration.
  • Wide range of application, Ideal for testing pH balance of drinking water, pool, aquarium, RO system, hydroponics, food processing, home aquariums, industrial processing equipment and pharmaceutical manufacturing.
  • These are the highest quality pH test solutions you can buy on the market today and carry a 2 year shelf life at room temperature.
  • This pH solution not a dangerous substance according to GHS classification criteria.
  • Each of our pH solutions are nontoxic in low quantities. Clean with soap and water if exposed to skin. Avoid ingestion and contact with eyes.
Set Include: Set of Three(3) Calibration solution , 4oz bottle (125 ml) and One (1) Storage Solution, 4oz Bottle (125 ml) - 2 year shelf life at room temperature. Each bottle comes packaged in an additional plastic bag to protect against leakage or damage.


  • Includes 1 4oz (125ml) pH 4, 7, & 10 Calibration Solutions and 1 4oz (125ml ) pH Electrode Storage Solution
  • ±0.02 pH at 25°C
  • Works with all pH Probes
  • Standardized Against NIST-Certified References
  • 2 year Shelf Life at Room Temperature

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