pH, EC, TDS, Meters

With Bluelab's Combo Meter you have the information you need for simple and reliable nutrient reservoir management. You get it all with this meter -it is a conductivity, pH and tem..More Info

Bluelab, pH, EC, TDS, Meters, PH/EC/TDS Testing 15 in stock

With a conductivity range right up to 6.0EC (60CF or 4200ppm), it will never leave you short. The Commercial Truncheon® Nutrient Meter has been designed for hydroponic crops that ..More Info

Bluelab, pH, EC, TDS, Meters, PH/EC/TDS Testing 15 in stock

With its super tough, high quality, fully waterproof design, no calibration required, daylight readable blue LED's and no on/off buttons to worry about, the Bluelab Truncheon® Nut..More Info

Bluelab, pH, EC, TDS, Meters, PH/EC/TDS Testing 15 in stock

The Bluelab pH Meter is used to accurately measure the pH value of a solution. Simply place the pH probe into the solution and the reading will be displayed on the screen...More Info

Bluelab, pH, EC, TDS, Meters, PH/EC/TDS Testing 15 in stock

Measures conductivity and temperature. Selectable units for conductivity and temperature. Backlit LCD display with low battery warning. Successful calibration indicator and calibra..More Info

Bluelab, pH, EC, TDS, Meters, PH/EC/TDS Testing 10 in stock

If you need to measure the pH level of soil, media or substrates, then the Bluelab® Soil pH Meter is just what you need! Our meter can be used by everybody from the home enthusias..More Info

Bluelab, pH, EC, TDS, Meters, PH/EC/TDS Testing 15 in stock

The 24-7 Nutrient Meter from Control Wizard Products is a great all around meter for nutrient applications needing constant monitoring. It measures PPM, pH and Temperature and with..More Info

CWP, pH, EC, TDS, Meters, PH/EC/TDS Testing 15 in stock

Control Wizard Products is now introducing its Accurate pH and moisture meter for soil growers. The Accurate pH 8 has a 12" probe. Until now, soil growers with the need to keep car..More Info

CWP, pH, EC, TDS, Meters, PH/EC/TDS Testing 15 in stock

Now with the 4 most popular scales: EC, CF, 500:1 ppm, and 700:1 ppm! The E.C. Dipstick™ dissolved salts pen operates on 3 common inexpensive AA alkaline batteries...More Info

CWP, pH, EC, TDS, Meters, PH/EC/TDS Testing 15 in stock

The lighted display is large and easy to read. There are no mistakes when the temperature compensating microchip quickly senses the electro conductivity of the nutrient solution or..More Info

CWP, pH, EC, TDS, Meters, PH/EC/TDS Testing 15 in stock

The HI 98129 Combo waterproof tester offer high accuracy pH, EC/TDS and temperature measurements in a single tester! No more switching between meters for your routine measurements...More Info

Hanna, pH, EC, TDS, Meters, PH/EC/TDS Testing 20 in stock