Bluelab EC Pen Shipping Precisely formulated from a powerful

Precisely formulated from a powerful blend of mineral nutrients and organic extracts

which is strongly alkali (pH12)

it couldn't be easier

trace elements

Manufactured in the UK

Bluelab EC Pen Shipping Precisely formulated from a powerfulConductivity Pen pH and temperature measurement The Bluelab Conductivity Pen simply tells you that your plants have the right amount of nutrient in your solution and lets you know if adjustments are needed. To feed plants well, we need to know what were feeding them. Start with a quality nutrient. Measuring the conductivity every day is the best way to avoid over diluting or over concentrating your nutrient solution. Completely change the reservoir