1× Insulator sleeve for temperature control

Sensing Element: Platinum (for ORP)

The CD600 helps you make sure that your plants are receiving the right amount of nutrient or helps you keep your filters up-to-date and clean for water filtration

Hanna buffers are specially formulated to have an expiration of 5 years from manufacture for an unopened bottle

Quick Calibration Solution for GroLine pH and EC Meters (500 ml) - HI5036-050 mineral water stick 1× Insulator sleeve for temperatureHI5036 050 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 bottle has the lot number and expiration date. Hanna's line of calibration solutions have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened bottle. The HI5036 050 is for