Hanna HI7031L Conductivity Solution - 1413 µS/cm Conductivity Standard (500mL Bottle) Hanna Checker Solution - Saltwater Aquarium Alkalinity Colorimeter Checker Tester

Hanna Solution HI7031L is a premium quality 1,413 µS/cm conductivity standard that is prepared against a NIST traceable potassium chloride solution. Hanna conductivity solutions have the lot number and expiration date clearly marked on the label and are air tight with a tamper-proof seal to ensure the quality of the solution. Hanna's line of conductivity standards have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened bottle.

• Premium Calibration Standard – 1413 µS/cm conductivity solution, trusted for accurate meter calibration.
• Long Shelf Life : Good for 5 years
• Premium Quality Conductivity Standard Soloution
• Ready-to-Use – Pre-mixed solution in a convenient 500 mL bottle, no dilution required.
• Long Shelf Life – Tamper-proof sealed bottle ensures freshness and consistency over time.
• Laboratory-Grade Accuracy – Manufactured under strict quality standards for reliable, repeatable results.
• Universal Application – Ideal for calibrating conductivity meters in labs, education, aquariums, and water treatment.