Calibration Check Solution for HI9813-6 (25 x 20 mL Sachets) spl_ps MagFan offers at least 70%

MagFan offers at least 70% lower energy consumption at equivalent flow rates

and maximum lumen output

A replacement probe for Bluelab Combo and pH Meters

and field experiments

Derived from inputs grown in the USA

Calibration Check Solution for HI9813-6 (25 x 20 mL Sachets) spl_ps MagFan offers at least 70%HI50021P 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 HI50021P is for 25 sachets containing 20 mL