Quick Calibration Solution for GroLine pH and EC Meters (230 ml) Cyco Nutrients Insects cannot become immune to

Insects cannot become immune to its action

PK 13/14 is a high grade mixture of phosphorus and potassium that is added during the flowering phase

These controllers are more sensitive than any on the market

Derived From: Potassium Sulfate

Quick Calibration Solution for GroLine pH and EC Meters (230 ml) Cyco Nutrients Insects cannot become immune toHI5036 023 is a quick calibration solution for use with Hannas 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. Hannas 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 023 is for