Bluelab - EC Pen It contains a wide spectrum

It contains a wide spectrum of yield-boosting and flavour-enhancing ingredients

add part B and mix

Top-Max works by encouraging cell division and increases the transport of nutrients

Besides the regular CANNA COCO products there is also CANNA COGr

This Organic PK Booster has a high concentration

Bluelab - EC Pen It contains a wide spectrumBluelab 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