pH/ EC Pens and Meters

Bluelab professional handheld combo meter for pH/EC.

• Easy to use • Accurate control • 13mm display screen • Push- button calibration • Portable and lightweight &b ... more.

High quality, compact pH pen from bluelab.

High accuracy pens that look and feel great. more.

The Budget EC pen is an easy to use digital water meter.

It measures electrical conductivity (EC) and has a thermometer to measure water temperature. It turns of automatically after 10 minute ... more.

CF Truncheon is the perfect tool for measuring the strength of your nutrient solution.

You’ll find one of these in every experienced grower’s garden. Easy to use, self calibrating, and reliable. Range 0.2-3.6 mS. more.

Eutech pH Pen is the grey and yellow probe pictured. Excellent quality, reliable and accurate pH pen.

Waterproof. Range: -1.0 – 15 pH. Accuracy 0.1 pH. Battery life 500 hours constant use (4 x 1.5V button). Calibrate to pH 4, 7 and 10. T ... more.

Eutech pH Scan 2 is the green probe pictured. it is excellent quality, reliable and accurate pH pen.

Waterproof. Range: 0 – 14 pH. Accuracy 0.1 pH. Battery 4 x 1.5V button. Calibrate to pH 4, 7 and 10. Regular calibration will keep the ... more.