Calibration Check Solution for HI9813-6 (25 x 20 mL Sachets) discounted • High red and blue

• High red and blue spectral ratios for good photosynthesis efficiency

These are just some of the 75 plus improvements designed specifically to make cloning even easier

CO2 and also provides an accurate VPD measurement

with the certified values listed in the tables

Calibration Check Solution for HI9813-6 (25 x 20 mL Sachets) discounted • High red and blueHI50021P 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