Bluelab - EC Pen • Convenient liquid formulation

• Convenient liquid formulation

These ingredients also promote exceptional root development and the formation of thicker stems

Advance Nutrients B-52 can be used right through your grow except for the first 2 weeks of flowering (as it may increase stretch) and it works in any substrate and growing system

add part B and mix

Bluelab - EC Pen • Convenient liquid formulationBluelab a proven track record for accuracy and reliability Provides a digital readout of the conductivity of your nutrient solution Temperature compensated for improved accuracy 4 scales to select from EC, CF, PPM500 and PPM700 Backlit display Hold reading function Made of tough plastic Simple to use and effective Simple calibration process with 30 day indicator Low battery indicator Displays the temperature in C or F Water resistant Shock resistant