Hanna GroLine Combo Meter

Hanna GroLine HI981 Combo Meter is a slim, lightweight, and waterproof portable meter that measures pH, conductivity (EC), total dissolved solids (TDS) and temperature with a single amplified probe.   The meter operation is simplified...

Bluelab Combo Meter pH/EC/TDS/Temp

Bluelab Combo Meter pH/EC/TDS/Temp It's all you need for simple and reliable crop management and it's all within arm's reach! The Bluelab Combo Meter is a conductivity, pH and temperature meter all in one. The Bluelab pH Probe and the Bluelab...

Bluelab Guardian Monitor pH/EC/TDS/Temp

Bluelab Guardian Monitor pH/EC/TDS/Temp A constant indicator of the desired levels of EC, pH and temperature, enabling the grower to optimize these parameters as the crop progresses through each growing phase. A flashing display lets gardeners know if...

Hanna GroLine pH/EC/TDS Combo Pen

Hanna GroLine pH/EC/TDS Combo Pen   Designed to bring simplicity to nutrient testing, the HI9814 Portable GroLine Meter is designed specifically for Hydroponic growers. The specialized electrode combines 3 sensors in a single rugged probe...