HI 7037 L NaCl Calibration Solution for Seawater Salinty

HI7037L is a premium quality 100% NaCl calibration solution for % readings of salinity. Hanna calibration 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 calibration solutions have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened bottle.