Quick Calibration Solution for GroLine pH and EC Meters (500 ml) discounted apply liquid concentrate over the

apply liquid concentrate over the root zone to water the plant

Backlight ON/OFF button

Under the surface Coir Crunch stays damp and loose

Carry it alone or toss it in one of the other Revelry Supply bags

Magnesium sulfate

Quick Calibration Solution for GroLine pH and EC Meters (500 ml) discounted apply liquid concentrate over theHI5036 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