Bluelab Leap pH Probe


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Introducing 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, from soil to coco coir. Its reinforced tip tackles tough substrates, while the double-junction design ensures long-lasting precision. No more guessing – the Leap Probe helps you create the perfect pH balance for optimal nutrient uptake, maximizing your plants' potential.    

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Bluelab Leap pH Probe

Accurate direct pH measurements in any substrate in seconds

  • Reinforced speartip for fast, direct measurement in substrates  
  • Effective in soil, coco coir blends, rockwool, potting mixes, and solution 
  • Double-junction probe reduces reference contamination, extending longevity 
  • Fast sensor response for quick and accurate measurements  
  • Suitable for use with the Bluelab Combo Meter, Bluelab Combo Meter Plus, and Bluelab Multimedia pH Meter 
  • BNC connector is covered to prevent corrosion 

Why measure pH?

Understand plant health fundamentals 

All healthy plants – just like humans – need a balanced diet of nutrients (food) in order to grow. However, plants can only get access to these nutrients if their growing medium has the correct pH range.

From a water chemistry perspective, pH (potential Hydrogen) plays a pivotal role in making nutrients soluble so that they can be absorbed by plants. When the growing medium becomes too acidic or too alkaline, your plants won’t be able to access the nutrients they need to thrive.

Get the fundamentals of growing right by regularly measuring pH to ensure that this is always within the optimal range.

Optimize the pH of your root zone

Accurate and quick pH measurements

Our advanced probe technology ensures that you get lightning-fast pH measurements directly from the root zone or in solutions.

Ready to take your growing to the next level – why not upgrade your Bluelab Combo Meter or Bluelab Multimedia pH Meter by adding the Leap pH Probe?

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 Leap pH Probe care

Boost the longevity of your pH probe

You need to regularly clean and maintain your Bluelab Leap pH Probe to ensure its ongoing accuracy and longevity.

Bluelab’s Probe Care Kit contains everything you need to clean and care for your pH probe. Once you’ve finished cleaning your probe, calibrate it with Bluelab’s Calibration Solutions. You’ll need to calibrate your probe every time you clean it.

In addition, you can extend 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.

View Bluelab Leap pH Probe User Manual


Weight 0.15 lbs
Dimensions 6.8 × 1.5 × 1.5 in

Product Category

Controllers & Meters


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