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.

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Bluelab – Calibration Solution

Price range: £9.99 through £14.99 Inc VAT
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Bluelab – Combo Meter

Price range: £229.99 through £299.99 Inc VAT

Bluelab – EC Pen

Original price was: £89.99.Current price is: £79.99. Inc VAT

Bluelab – EC Truncheon

Original price was: £89.99.Current price is: £84.99. Inc VAT

Bluelab – Guardian Monitor Wi-Fi

Original price was: £389.99.Current price is: £309.99. Inc VAT

Bluelab – OnePen

Original price was: £234.99.Current price is: £194.99. Inc VAT

Bluelab – pH and Conductivity Starter Pack

Original price was: £179.99.Current price is: £164.99. Inc VAT
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Bluelab – pH Probe

Price range: £64.95 through £69.95 Inc VAT

Bluelab – pH Probe KCl Storage Solution

Original price was: £12.99.Current price is: £10.49. Inc VAT