Pay in 4 interest-free payments of $20.00 Learn more
Ships within 48 hours · Estimated delivery Aug 25 - Aug 30
you do so at your own risk
75 per day or approximately £142/month
straight out of the bottle)
Bluelab Combo Meter - Measures pH
Bluelab EC Pen - Temperature Compensated Digital EC Tester Bulky you do so at yourBluelab 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
