Ten (10) Pack Hanna Calibration Check Solution for HI9813-6 yoga water bottle pH/EC Quick Cal calibration sachets

pH/EC Quick Cal calibration sachets

Return of chlorine taste or odor in your water

Standard 4

The Milwaukee MI56P is the replacement pH/temperature probe for the pH55 and pH56 PRO Testers (sold separately)

Ten (10) Pack Hanna Calibration Check Solution for HI9813-6 yoga water bottle pH/EC Quick Cal calibration sachetsHI50021 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