Apera GroStar GS2 Soil pH Pen

Apera GroStar GS1 pH Pen

Bluelab Multimedia pH Meter (Leap Probe Included)

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 coir,...

Bluelab Leap pH Probe (Probe Only)

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 coir,...

GroLine Waterproof pH/Temp TEST

The GroLine HI98118 pH/temperature tester is our latest pocket meter for measuring the pH of a hydroponic nutrient solution. This modern looking meter is only 0.7" thick and extremely ergonomic, fitting comfortably in your hand. The HI98118 has a very...

Replacement PH Probe For GroLin

The HI1271 is the spare pH electrode for the HI98100, HI98103, and HI98115 Checker pH meters. Replacing the pH electrode is both quick and easy. Simply unscrew the old probe to be replaced and screw on the new one. Details The HI1271 is the replacement...

GroLine pH TESTER/PEN - No Quic

The HI98115 is a GroLine pH tester with advanced features for the measurement of pH in hydroponic nutrient solutions. The HI98115 is a very simple meter to operate with all functions including turning on/off and calibration are performed with a single...

Bluelab Inline pH Probe (Replacement Probe Guardian Monitor Connect In-Line)

The Bluelab Guardian Monitor Connect In-Line is not only a constant indicator of the desired levels of pH, conductivity and temperature of your nutrient solution, it also data logs these critical parameters to your computer for you. It does not stop...

Bluelab pH Controller Power Supply

Hands-free monitoring and dosing of solution pH levels. Our clever pH controller automatically monitors and fine-tunes the pH levels for you. You simply set it and forget. The pH is taken care of. For use with reservoirs up to 200 US gal/760 L...

Bluelab Sample Pot

The Bluelab® Sample Pot is perfect for reservoirs located more than 6.5 ft from your controller unit. All you have to do is place the probes directly into the chamber for direct measurement of nutrient solution. All fittings are included. Compatible with...

Bluelab External Lockout and Alarm Box

Use the Bluelab® External Lockout & Alarm Box to connect the Bluelab® Pro Controller to external switches, for example, a float switch or a greenhouse alarm system. When these switches are activated, the Bluelab® Pro Controller is placed in lock-out...

Bluelab PowerPod

The Bluelab® PowerPod is an electronically controlled mains switching box that is designed to activate mains powered equipment via control signals from a Bluelab® controller. The Bluelab® PowerPod is ideal for use when using a Bluelab® Pro Controller...

Bluelab PeriPod L3

Peripod L3 doser is designed to be teamed with the Bluelab® Pro Controller for a fully integrated solution for optimal reservoir dosing. The Bluelab® PeriPod is a simple and reliable inclusion that has 1x 1200 ml/min, 40 fl oz/min peristaltic pump for...

Bluelab PeriPod M3

Use the PeriPod M3 doser with the Bluelab® Pro Controller for a fully integrated solution for optimal reservoir dosing. The Bluelab® PeriPod M3 is a simple and reliable inclusion that has 1x 120 ml (4 fl oz)/min peristaltic pump for dosing pH adjuster...

Bluelab Pro Controller

Bluelab® Pro Controller automated pH and nutrient controller gives you full control of reservoir pH, conductivity and temperature in one place. When connected to a dosing system, the Bluelab® Pro Controller manages pH, conductivity and temperature levels...

Bluelab Connect Range Extender

Get Connected. Improve crop performance and reduce errors with the power of data and remote monitoring. Receive wireless monitoring data from all Bluelab Connect devices to your computer and smartphone or tablet. Receive important push notifications on...

Bluelab Connect Stick

Get Connected. Improve crop performance and reduce errors with the power of data and remote monitoring. Receive wireless monitoring data from all Bluelab Connect devices to your computer and smartphone or tablet. Receive important push notifications on...

Bluelab Guardian Monitor Connect In-Line

The Bluelab Guardian Monitor Connect In-Line is not only a constant indicator of the desired levels of pH, conductivity and temperature of your nutrient solution, it also data logs these critical parameters to your computer for you. It does not stop...

Bluelab Guardian Connect

The Bluelab Guardian Monitor Connect is not only a constant indicator of the desired levels of pH, conductivity and temperature of your nutrient solution, it also data logs these critical parameters to your computer for you. It does not stop there. You...

Bluelab pH Pen

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. Automatic...

Bluelab pH Controller - Connect

Our brainy pH Controller Connect constantly monitors and fine-tunes the pH levels for you. But more than that, it wirelessly data logs to your computer too, putting continuous information at your fingertips. Use the data to make system changes faster for...

Bluelab pH Controller

Hands-free monitoring and dosing of solution pH levels. Our clever pH controller automatically monitors and fine-tunes the pH levels for you. You simply set it and forget. The pH is taken care of. For use with reservoirs up to 200 US gal/760 L...

HM Digital Waterproof pH Meter

Measures pH and temperature. Auto-ranging three point calibration with digital fine tuning. pH buffer 4 solution is in a sponge embedded in a clear cap. Measurement range: 0–14 pH with a waterproof housing. Digital automatic calibration (one point), with...

HM Digital pH 80 Meter

Resolution: pH 0.1 pH, 0.00–14.0 pH. Accurate to +/-0.1 pH. Hold button and auto shut-off. Automatic calibration: Auto-ranging to 4, 7 or 10 pH. Very reliable and long lasting. Low battery indicator. Clear cap to notice moisture (or lack of) on probe...