Calibration Check Solution for HI9813-6 (25 x 20 mL Sachets) discounted - 24-hour data log of

- 24-hour data log of values

and the entire unit is easy to clean and carry

Conductivity Accuracy: 2% full-scale 1 LSD

non-toxic formula helps keep the plant healthy using natural antimicrobial ingredients and produces roots faster than its competitors

Calibration Check Solution for HI9813-6 (25 x 20 mL Sachets) discounted - 24-hour data log ofHI50021P 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