Digital Brix Refractometer Range - 0 to 85

Digital Sugar Refractometer for general purpose with automatic temperature compensation (ATC).Range 0-85% Brix, resolution 0.1%, units come with battery.

Apera GroStar GS4-E replacement pH/EC combo electrode

Apera GroStar GS3-E replacement EC electrode

Apera GroStar GS2-E replacement Soil Spear pH electrode

Apera GroStar GS1-E replacement pH electrode

Apera GroStar GS4 pH/EC Combo Pen

Bluelab Guardian Monitor Power Supply

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...

Bluelab PeriPod M4

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. The Bluelab® PeriPod responds to dosing triggers received from the Bluelab® Pro...

Bluelab Combo Plus Meter - Probe Included

The Bluelab® Combo Meter Plus is an all-in-one, convenient portable solution for accurate measurement of pH, conductivity and temperature in nutrient solution. The battery-powered, lightweight unit can be used anywhere, anytime to measure critical...

HM Digital pH / TDS / EC / Temp meter

The COM-300 is an advanced waterproof combo meter with superior accuracy. The meter measures four parameters: pH, electrical conductivity (EC), total dissolved solids (TDS) and temperature. Features include 2 different conductivity conversion factors to...

GroLine Waterproof Combo pH/EC/

The HI98131 is a slim, lightweight, and waterproof pocket tester that measures pH, conductivity (EC), TDS (ppm), and temperature. Simple, two-button meter operation and advanced features, including a selectable EC to TDS conversion factor (0.5 - 500 ppm...

Shockproof Orange Rubber Boot f

HI710023 is an orange shockproof rubber boot designed to protect your Hanna instrument and provide easier handling. This special boot helps prevent damage due to accidental impact. It can withstand high temperatures of up to 200°C...

Shockproof Blue Rubber Boot for

HI710024 is a blue shockproof rubber boot designed to protect your Hanna instrument and provide easier handling. This special boot helps prevent damage due to accidental impact. It can withstand high temperatures of up to 200°C...

GroLine Direct Soil pH Electrod

The HI1294D is a pH electrode for the direct measurement of pH in soil and soilless media. The HI1294D is a glass body, refillable, single junction pH electrode with a DIN connector that is compatible with the HI9814 Groline portable pH/EC/TDS meter...

Replacement pH/EC/TDS Electrod

The HI1285-8 multiparameter probe measures pH, EC/TDS, and temperature in one convenient, rugged probe. Use with the HI981420 GroLine Monitor to provide around-the-clock, continuous monitoring of pH, conductivity (EC & TDS), and temperature in hydroponic...

GroLine Wall Mount Monitor - Da

The HI981420 GroLine Monitor for Hydroponic Nutrients provides around-the-clock, continuous monitoring of pH, conductivity (EC & TDS), and temperature in hydroponic nutrient solutions. Quick to setup, simple to use, this monitor was designed with...

Portable pH/EC/TDS/Temperature

The HI9813-6 is an easy-to-use, water resistant, portable meter that measures pH, conductivity (EC), total dissolved solids (TDS), and temperature with a single probe. The HI9813-6 features the Hanna Instruments CAL Check that will allow the user to...

GroLine Replacement pH/EC/TDS

The HI1285-7 is a 3-in-1 pre-amplified multiparameter probe that measures pH, EC/TDS, and temperature within a single polypropylene body. The pH portion of this probe is constructed with a cloth junction, maintenance-free polymer gel electrolyte, and a...

GroLine Shockproof Green Rubber

HI710025 is an green rubber boot that fits over selected portable meters including HI9814 pH/EC/TDS, HI991000 family of meters, and selected thermistor based thermometers. The silicone rubber boot not only provides additional shockproof protection from...

GroLine Waterproof Combo Meter

The HI9814 is a slim, light, and waterproof meter that allows you to measure pH, TDS (ppm), and temperature of your hydroponic nutrient solution. Quick to setup, simple to use, this TDS (ppm) meter makes testing simple. One combined, pre-amplified pH,...

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...