Refill Pack for The Enhancer CO2 canister

TNB Naturals The Enhancer Refill Pack The Enhancer now comes in a convenient refill pack! The TNB CO2 Refill Pack gives growers the ability to reuse their existing Enhancer bottle while saving money and reducing their environmental footprint at the...

The Enhancer CO2 canister

TNB Naturals The Enhancer The Enhancer is an all natural CO2 generator made from 100% organic ingredients. This safe and effective solution for CO2 supplementation creates a blast of CO2 that can reach 1200 PPM in a 12’x12’x12’...

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.

Milwaukee Instruments EC40 EC/TDS Nutrient Meter

Milwaukee EC40 PRO EC/TDS Nutrient Meter The Milwaukee EC PRO EC/TDS Nutrient Meter is an extremely tough, reliable, IP67 Waterproof Nutrient Meter designed to meet your Hydroponic, horticulture and agricultural needs!  This meter arrives...

Apera EC calibration kit (2.77EC, 8oz.)

Apera pH probe maintenance kit

Apera pH calibration kit (pH 4/7, 8oz. each)

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 GS2 Soil pH Pen

Apera GroStar GS4 pH/EC Combo Pen

Apera GroStar GS3 EC Pen

Apera GroStar GS1 pH Pen

Bluelab Pulse Multimedia EC/MC Meter

Introducing Pulse, a new innovation designed and made in NZ by Bluelab. Easily check moisture, conductivity (a measure of the nutrient salts present in the media) and temperature directly from the root zone or in nutrient a solution. Check, correct and...

Bluelab Soil pH Pen

The Bluelab® Soil pH Pen provides a pH and temperature reading of soils and media, so you know that the right nutrients will be made available to your plants. In soils or growing media, pH strongly influences the availability of the microorganisms to...

Sure Test GroGuru Stem w/ 3 Sensors

The sensors on the Sure Test® GroGuru Stem have been designed to provide you the info about your root zone to make your growing even more successful. These sensors measure the moisture content, electrical conductivity (EC), salinity and temperature of...

Titan Controls Atlas 1 Remote Sensor Replacement

Atlas® 1 CO2 Monitor/Controller comes with a 25 ft remote sensor. It features adjustable set point and elevation levels, a built-in self calibration function and an integrated photocell that enables operation in daytime hours only, when the plants need...

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...

Advanced Nutrients Sensizym OIM- 1 Liter

Titan Controls Zephyr 1 - Day/Night Temp Controller

Temperature control range is 55°F to 95°F. Controls cooling or heating equipment. Day and night settings keep temperature within 4°F of set point. 6 ft temperature probe is accurate to within 2°F. Enclosure protects internal components from dust, rust...

Titan Controls Atlas 2 - Preset CO2 Monitor/Controller

Preset CO2 control at 1500 PPM. Built-in self-calibration feature. Easiest to use CO2 controller on the market. Simply plug in your CO2 generator or regulator and you are ready to go. Built-in photocell allows CO2 enrichment only during daylight hours...

Titan Controls Atlas 7 - CO2 Controller

Select CO2 ppm levels at 1000 ppm, 1250 ppm or 1500 ppm. Integrated photocell. Built-in calibration feature. Single button control. Enclosure resists dust, rust and moisture. 5 Amps maximum/120 V/ 60 Hz.

CYCO pH 4.0 Solution 1 Liter

The most common reasons for pH meter error is dry storage of the electrode and electrode contamination. These cause loss of accuracy, reduced performance and slower response times. Thoroughly clean the electrode after use and always store your pH meter...

Digital Moisture Meter

Digital results from 0 to 9.9. Printed instructions and extensive plant list.

Replacement Platinum Sensor COM-100

This spare sensor is for HM Digital EC/TDS/Temp Combo Meter model COM-100. Features platinum TDS/EC sensor and thermister.

Hanna 230 mL Storage Solution

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Hanna 230 mL Cleaning Solution

GroLine Cleaning Solutions GroLine Cleaning Solution is a specially formulated acid that cleans pH electrodes. Growers should avoid touching the glass on pH electrodes as doing so can damage the electrode's invisible (but extremely important) gel layer...

Alchemist pH Down Non-Corrosive Gallon

Alchemist pH Down is comprised of very pure, food-safe ingredients. This unique buffer is non-toxic, non-corrosive and non-hazardous, making it like no other pH buffer on the market. Alchemist pH Down Non-Corrosive will not increase the conductivity of...

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...