Quick Calibration Solution for GroLine pH and EC Meters (25 x 20 mL sachets) Garden Accessories An exposed temperature sensor allows

An exposed temperature sensor allows for rapid automatic temperature compensated TDS/PPM measurements

When it comes to supplementing your garden with CO2

Ensure a minimum of 1 ft³/s of airflow around the fixture for efficient thermal management and extended system lifetime

Copper EDTA

Quick Calibration Solution for GroLine pH and EC Meters (25 x 20 mL sachets) Garden Accessories An exposed temperature sensor allowsHI50036P is a quick calibration solution for use with Hanna's GroLine pH and or EC TDS meters. Using the Quick Cal function found in compatible meters allows for a single point calibration for pH and or conductivity sensors. 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 calibration solutions have been specially formulated to have an