Hanna Instruments TDS Calibration Solution 1382ppm (20 mL sachet) HI70032P indoor_vertical_farm 140 to 4200 ppm (700

140 to 4200 ppm (700 ppm scale) TDS Resolution 50 ppm (100 to 2000 ppm)

moisture level and others

and quality certificate

Clearly marked expiration date and lot number

taught by the team that runs a working indoor farm every day

Hanna Instruments TDS Calibration Solution 1382ppm (20 mL sachet) HI70032P indoor_vertical_farm 140 to 4200 ppm (700HI70032P is a premium quality 1,382 mg L (ppm) TDS calibration solution that is NIST traceable and contained in portable single use sachets. Each sachet has the lot number and expiration date stamped on it and is made of light block foil ensuring freshness each time one is opened. Hannas line of TDS calibration solutions have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened sachet. Convenience of