Bluelab - EC Truncheon £89.99 Original price was: £89.99.£84.99Current price is: £84.99. Inc VAT
Bluelab - pH Probe Inline £149.95 Inc VAT
Bluelab – pH Probe
£64.95 – £69.95Price range: £64.95 through £69.95 Inc VAT
The Bluelab pH Probe has been designed with longevity in mind, with a double-junction probe, polycarbonate housing and high-quality electrical components.
Description
Bluelab – pH Probe
Dependable double-junction pH probe technology that’s built to last
- Double–junction probe reduces reference contamination, extending longevity Â
- Fully waterproof – not just water resistant
- BNC connector allows use with all other compatible Bluelab and Autogrow productsÂ
- 2–metre cable for measuring in hard–to–reach locationsÂ
- Use the included storage cap with KCl to lengthen probe’s lifespanÂ
- Fast sensor response ensures quick and accurate measurements Â
- Polycarbonate housing for long-lasting strength Â
- Effective in solutions of 0.2 EC and aboveÂ

Why measure pH?
Understand the science behind healthy plants
Just like humans, all growing plants need a balanced diet of nutrients (food) in order to thrive. However, your plants will only be able to access these nutrients if the nutrient solution is within a particular pH range.
From a water chemistry perspective, pH (potential Hydrogen) plays a critical role in making nutrients soluble so that they can be absorbed by your plants. When your growing solution becomes too acidic or too alkaline, your plants won’t be able to access the nutrients they need to grow.
Get the fundamentals of growing right by regularly measuring pH to ensure that this is always within the optimal range.


Durable and affordable probe technology
Accurate and quick pH measurements
The durable Bluelab pH Probe has been designed with longevity in mind, with a double-junction probe, polycarbonate housing and high-quality electrical components.
Created with advanced and affordable technology, you can rely on Bluelab’s pH Probe to give you accurate and fast measurements every single time.
Built for growers
All our products are designed with growers, for growers – so you can be confident that the Bluelab pH Probe will help you carry out the essential tasks of everyday growing with ease. This fully waterproof product can even be left inside your reservoir for continual monitoring or spot checking. Designed and assembled in New Zealand from local and imported components.
Bluelab pH Probe maintenance
Extend the life of your pH probe
You need to regularly clean and maintain your Bluelab pH Probe to ensure its ongoing accuracy and longevity.
Use Bluelab’s Probe Care Kit, which contains everything you need to clean and care for your pH probe. Every time you clean your probe, calibrate it using Bluelab Calibration Solutions.
In addition, boost your probe’s lifespan by ensuring that its tip stays wet at all times. Use the included storage cap whenever you’re not using your probe and regularly top up the amount of KCl inside the cap.
This probe is compatible with all Bluelab products with a corresponding BNC connector, such as the Combo Meter and Guardian Monitor.
Additional information
| Weight | N/A |
|---|---|
| Dimensions | N/A |
| Type | Bluelab PH Probe (2m) ,Bluelab PH Probe (5m) |
About brand
Bluelab is a global leader in precision measurement tools for growers who demand accuracy and consistency. Growers rely on Bluelab for high-quality pH meters, conductivity meters, and nutrient solution monitors that help maintain optimal conditions at every stage of plant development.
Bluelab designs and manufactures its products in New Zealand, focusing on durability, ease of use, and long-term reliability. As a result, growers can monitor and adjust their nutrient solutions with confidence. Whether you test pH, measure EC, or manage irrigation systems, these tools give you the accurate data needed to maximise plant health and crop performance.
Why Choose Bluelab?
- Accurate pH, EC, and conductivity meters for precise growing
- Durable, reliable, and easy-to-use instruments
- Helps monitor and manage nutrient solutions effectively
- Trusted by commercial and professional growers worldwide
- Supports improved plant health, growth, and yield
Popular Bluelab Products
- Bluelab pH Pen
A compact and reliable handheld pH meter, ideal for quick and accurate readings in nutrient solutions. Perfect for both beginners and experienced growers. - Bluelab Truncheon EC Meter
One of the most trusted EC meters in the industry, known for its durability and simplicity. Provides fast, accurate nutrient strength readings with no calibration required. - Bluelab Guardian Monitor Wi-Fi
A continuous monitoring system that tracks pH, EC, and temperature in real time. Ideal for growers who want full control over their nutrient solution and environment.
Frequently Asked Questions
Why is pH important when growing plants?
pH affects how well plants absorb nutrients. If the pH is too high or too low, plants cannot take in essential nutrients properly.
What is EC and why does it matter?
EC measures the strength of your nutrient solution. It helps growers ensure plants receive the correct amount of nutrients without overfeeding or underfeeding.
Do Bluelab meters need calibration?
Yes, most Bluelab pH meters require regular calibration to maintain accuracy. However, some products like the Truncheon EC Meter do not require calibration.
Are Bluelab products suitable for beginners?
Yes, Bluelab products are easy to use and suitable for beginners, while still offering the accuracy required by professional growers.
Shipping & Delivery


DELIVERY TIMEFRAME
We aim to process and dispatch all orders within 2 working days of being placed. Wherever possible, parcels are sent on a next working day service to ensure you receive them quickly and reliably.
When your order is dispatched, you will receive a confirmation email with tracking information so you can closely monitor your delivery every step of the way.
Please Note: Delivery times may slightly vary during busy periods, or due to courier service disruptions. Rest assured, we always do our best to get your order to you promptly.
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