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Ships within 48 hours · Estimated delivery Sep 7 - Sep 12
75 per day or approximately £142/month
making them the ideal humidifer for you
To boost microbial activity even further
All in all
you do so at your own risk
Bluelab EC Pen - Temperature Compensated Digital EC Tester Bulky 75 per day or approximatelyBluelab 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
