Bluelab Inline pH Probe

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A replaceable double-junction pH probe for the Bluelab Guardian Monitor Connect Inline

Measure pH directly in your nutrient line and create the optimal conditions for nutrient uptake.

Monitoring pH level is essential in order to ensure your nutrient solution is kept within the optimum 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.

The durable Bluelab pH Probe Inline has been designed with longevity in mind, with a double-junction probe, high-pressure housing and high-quality electrical components. Created with advanced and affordable technology, you can rely on Bluelab’s pH Probe Inline to send continuously accurate measurements direct from your nutrient feed line to your Bluelab Guardian Monitor Connect Inline.

  • Double-junction probe reduces reference contamination, extending longevity
  • 3/4” NPT thread fits inline mounting; use with 1” adapter
  • Fully waterproof – not just water resistant
  • Pressure rating of 7 bar pressure or 100 psi to withstand line pressure and turbulence
  • Liquid flow naturally cleans the flat pH measurement surface
  • Adapted internal structure for mounting in any direction
  • 2-metre cable for measuring in hard-to-reach locations
  • Fast sensor response ensures quick and accurate measurements
  • Effective in solutions of 0.2 EC and above


Real Industry Expertise

Don't be surprised to see the odd PhD knocking around our office. When you work with Vertikit you are choosing actual leaders of the field. We've got years of research experience and practical project knowledge to share.

Our Unique Approach

With our level of experience comes the ability to be really creative when it comes to product choices. Our curated product catalogue comes from the world's best suppliers of the specific technologies you need to succeed, regardless of whether they are farm-specific.


Why Choose Vertikit?

Why Choose Vertikit?

Prepared for anything. Our collective history of working with both growers and industry means that whatever the size or complexity of your operation we'll have you growing in no time.

No bias and no bull. You'll always get a straight answer from our team on your best options, regardless of manufacturer.

Vertikit source from many industries, we love to mix and match the best tech from a wide range of innovators from around the globe (yes, globe - we're scientists remember).