PH and EC / PPM

Measures pH and temperature. Selectable units for °C and °F. Backlit LCD display. Double junction probe (not replaceable). Successful calibration indicator. Hold reading function and low battery warning. Fully waterproof with auto off function...

Measures conductivity and temperature. Selectable units for conductivity and temperature. Backlit LCD display with low battery warning. Successful calibration indicator and calibration is optional. Fully waterproof. Auto off function and hold reading...

Adjustable brightness display. Large easy-to-read, plant-safe green LED displays. Selectable values for conductivity and temperature. Simple push button pH calibration system. No calibration required for conductivity and temperature. Silent alarm for...

Chemboys pH Up is designed to help raise the pH of your nutrient ecosystem, to ensure your plants flourish with maximum nutritional availability. Add when your pH is too low; appropriate for every stage of the growing process. Promotes pH stability. ...

Chemboys pH Up is designed to help raise the pH of your nutrient ecosystem, to ensure your plants flourish with maximum nutritional availability. Add when your pH is too low; appropriate for every stage of the growing process. Promotes pH stability. ...

Chemboys pH Down is designed to help lower the pH of your nutrient ecosystem to ensure your plants flourish with maximum nutritional availability. Appropriate for every stage of the growing process. Designed to lower the pH of your ecosystem Helps...

Chemboys pH Down is designed to help lower the pH of your nutrient ecosystem to ensure your plants flourish with maximum nutritional availability. Appropriate for every stage of the growing process. Designed to lower the pH of your ecosystem Helps...

The perfect, portable way to accurately measure and monitor pH levels in a wide range of media. We have combined the Bluelab® Multimedia pH Meter and Bluelab® Leap™ pH Probe to take fast, accurate measurements in nutrient solution, soil, coco...

The instrument is only as accurate as the probe is clean. Probe cleaning is one of the most important parts of owning or operating any Bluelab meter, monitor or controller. If the probe is contaminated or dirty, it affects the accuracy of the reading...

With a conductivity range right up to 6.0 EC (60 CF, 3000 ppm x 500 and 4200 ppm x 700), it will never leave you short. The Commercial Truncheon Nutrient Meter has been designed for hydroponic crops that require a higher than normal EC or ppm...

With its super tough, high-quality, fully waterproof design, no calibration required, daylight readable blue LEDs and no on/off buttons to worry about, the Bluelab Truncheon Nutrient Meter has proven itself as the world's favorite nutrient meter. It is...