Bluelab EC Pen - Temperature Compensated Digital EC Tester Bulky straight out of the bottle)

straight out of the bottle)

making them the ideal humidifer for you

it helps plants thrive during transplanting

and it doesn’t take long before the effects start to show on the top half of the plant

75 per day or approximately £142/month

Bluelab EC Pen - Temperature Compensated Digital EC Tester Bulky straight out of the bottle)Bluelab EC Pen Temperature Compensated Conductivity Tester A meter to measure the strength of your nutrient solution is one of those really necessary items for enthusiastic hydroponics growers. Bluelab's EC Pen features the same robust build quality, accuracy and reliability that make Bluelab testing equipment the default choice for growers across the world. How the Bluelab EC Pen Works The Bluelab EC Pen measures the electrical conductivity of your