Fast easy to read current results with large digital LCD readout

Discard all sachets after use

The Bluelab Conductivity Pen (SKU: PENCON) measures nutrient levels and temperature to help you create the optimal nutrient environment for plant growth

5M KCl to replenish the reference electrolyte

and extends the life of your MW306 MAX meter

Hanna GroLine amplified pH/Temperature probe with quick connect DIN connector for HI981412 SE600 probe Fast easy to read currentThe HI981412 uses the HI10063 amplified probe that incorporates both pH and temperature sensors and connects to the controller with a single waterproof Quick Connect DIN connector. The built in amplifier helps to reduce electrical noise from recirculation pumps to provide for a stable, reliable measurement. The pH glass used is ideal for low conductivity water and provides for fast response. The PVDF body of the probe has a 1 2 threaded fitting for