Ten (10) Pack Hanna Calibration Check Solution for HI9813-6 hydroponics pH controller UPC: 080000098146

UPC: 080000098146

Professional Wine ORP Probe for MI455 Mini Titrator & Wine Applications

ozone treatment)

12 VDC power supply

Under-sink multi-stage water filtration units

Ten (10) Pack Hanna Calibration Check Solution for HI9813-6 hydroponics pH controller UPC: 080000098146HI50021 is a premium quality calibration check solution used exclusively for the HI9813 6 portable pH EC TDS Temp. meter. 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. Hanna's line of solutions have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened sachet. The HI50021 is for 10 sachets containing 20 mL of