Controllers & Meters / Meters | Testers | Monitors
Every hydroponic gardener should know the importance of pH. The pH of the hydroponic nutrient solution plays a key roll as to what elements… 35 in stock.
SaleThe Bluelab pH Controller Wi-Fi simplifies maintaining perfect pH levels in your hydroponic setup. Its built-in pump delivers precise adjustments within 0.1 pH, and optional Wi-Fi…
SaleThe HI981420 GroLine Monitor for Hydroponic Nutrients provides around-the-clock, continuous monitoring of pH, conductivity (EC & TDS), and temperature in hydroponic nutrient…
SaleBetter crops start with the Bluelab Combo Meter, it’s all you need for simple and reliable crop management and it’s all within arms reach. It is a conductivity, pH and temperature…
SaleA replacement probe for Bluelab Combo and pH Meters as well as the Bluelab Guardian Monitor. The Bluelab pH Probe is a replacement pH probe (electrode) suitable for use with…
SaleAchieve optimal plant growth with the Bluelab Combo Meter Plus. This portable meter simplifies nutrient management in your indoor garden. It measures pH, conductivity, and…
SaleThe Bluelab Guardian Monitor Inline Wi-Fi comes with probe fittings suitable for 1″ NPT to give you inline measurement capabilities. Able to withstand up to 7 bar, this is the…
SaleThe Bluelab Guardian Monitor Wi-Fi is an all-in-one powerhouse displays pH, conductivity, and temperature at a glance, letting you optimize nutrient levels for every growth stage…
SaleIntroducing the Bluelab Leap pH Probe, your secret weapon for unlocking healthy, thriving plants. This handy tool delivers instant, accurate pH readings directly in any medium…
SaleBluelab OnePen one click data capture record, store, categorize and share your measurements in on easy to use app. Unlock the full potential of data with the OnePen. Superior…
SaleAccurately measure, control and maintain pH levels. Grow sites are all different so now you can choose the combination to match your set up needs and add multiple PeriPods…
SaleFor use with all Bluelab pH probes Increases response time and maximizes life of probe Size: 250 ml
SalePlants get their nutrient from minerals but they can only get all the right minerals they need if certain conditions are right. Think of nutrients like a lock, pH is the key. The…
SaleReplacement pH probe for the BlueLab Guardian Monitor Connect Inline model. To ensure your Bluelab monitor is in optimal condition it’s important to replace the pH probe as needed…
SaleThe Bluelab Soil pH Probe (Electrode) is a replacement component for the Bluelab Soil pH Meter. The meter provides a pH and temperature reading of soils and media, so you know…
SaleMinimise downtime, extend product life, and support confident decision-making. The pH PenPlus delivers industry-leading Bluelab pH confidence, engineered for continuity. A…
SaleThe CropKing Fertroller enables the grower to automatically control the EC and pH of the nutrient solution in hydroponic systems. With automatic EC and pH control, the grower can…
SaleThe pH Test Kit by General Hydroponics is a complete kit for measuring the pH levels in your hydroponic system’s nutrients. Not all nutrients are pH buffered, and it’s important…
SaleThe pH Control Kit by General Hydroponics has everything you need to test the nutrient’s pH level that you’re using in your indoor or outdoor hydroponic system. The pH Control kit…
The HI98131 is a slim, lightweight, and waterproof pocket-sized meter that measures pH, conductivity (EC), total dissolved solids (TDS) and temperature. The meter operation is…
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…
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…
Fast, accurate, and easy to use, the HI981030 Groline Soil pH tester is a small-but-mighty probe for taking pH measurements directly into your soil. The single-button operation is…
The GroLine HI98118 pH/temperature tester is our latest pocket meter for measuring the pH of a hydroponic nutrient solution. This sleek meter is only 0.7″ thick and extremely…
Designed to bring simplicity to nutrient testing, the HI9814 Portable GroLine Meter is designed specifically for hydroponic growers. The specialized electrode combines 3 sensors…
SaleReplacement electrode probe for the Hanna Instruments portable multiparameter meters. Made with a polypropylene body and featuring a built-in temperature sensor, this…
Replacement electrode probe for the HI9813-6 Portable Meter. Made with a polypropylene body and featuring a built-in temperature sensor, this multiparameter probe provides quick…
Spare pH sensor for Hanna Instrument testers. Replacing the pH sensor on your testers not only keeps pH measurements accurate but also extends the life of your Hanna Instrument…
Replacement multiparameter probe for the Hanna GroLine Waterproof Portable Meter. Designed with hydroponic growers in mind, this 3-in-1 probe delivers the results you need in a…
SaleThe Milwaukee MW101-SOIL PRO pH is ideal for testing samples in direct soil or with slurries that can cause other pH meters to fail. Designed for use in Hydroponics, Horticulture…
SaleThe Milwaukee Mi56P pH/temperature probe for pH55 and pH56 is a multi-parameter electrode for use in water testing applications, and fits compatible Milwaukee portable meters…
SaleMeasure pH, EC, and TDS all in one with the Milwaukee 3-in-1 Combo Meter. With just a single probe and meter the MW802 model helps you manage water quality by testing pH levels…
SaleThis Milwaukee MW805 MAX pH/EC/TDS/Temp. 4-in-1 combo meter allows you to measure pH, EC (conductivity), TDS and Temp. with a single meter and one single probe. pH and…
SaleThe Aqua-X system is a professional-grade irrigation control system. It is a fully customizable modular designed system. Installation is simple and the system is easy to expand…
SaleThis PPH-1 Reservoir pH Sensor is specially designed for Aqua-X Irrigation Control System. The pH electrode probe has a single cylinder that allows direct connection to the…
SalePrecisely monitor your hydroponic or aquarium water`s pH levels with the TrolMaster Aqua-X PPH-2 Heavy-Duty Intank pH Sensor. This durable, commercially rated probe ensures…