Bluelab pH PenPlus & pH ProbePlus – Accurate pH and Temperature Testing with Replaceable Probe System

The NEW and improved Bluelab pH PenPlus is a high-accuracy pH and temperature meter designed for growers who need reliable readings across hydroponics, coco and soil systems. Built with a replaceable probe system, it allows you to maintain long-term accuracy without replacing the entire unit.

Paired with the Bluelab pH ProbePlus replacement probe, this setup gives you consistent, dependable measurements and an easy way to restore performance when needed.

Key Benefits

• pH and temperature meter; accurate readings for nutrient solutions and root zones
• Replaceable probe system; extend product life without replacing the full unit
• High accuracy readings; reliable control of pH levels for optimal nutrient uptake
• Simple operation; quick readings with minimal setup required
• Durable design; built for regular use in grow rooms and reservoirs
• Easy probe replacement; no tools required for quick swaps

Why You Need the Bluelab pH PenPlus

Incorrect pH levels can quickly lead to nutrient lockout, poor growth and reduced yields. Without accurate monitoring, even a well-balanced feed can become ineffective.

The Bluelab pH PenPlus allows you to measure and adjust pH with confidence, ensuring nutrients remain available to your plants at all times. With integrated temperature measurement and a replaceable probe, it’s a practical, long-term solution for maintaining control over your growing environment.

When performance starts to drift over time, simply replace the probe rather than the entire unit, keeping your readings accurate and your costs down.

How to Use the Bluelab pH PenPlus

• Turn on the pen and rinse the probe with clean water.
• Place the probe into your nutrient solution or test sample.
• Allow the reading to stabilise and note the pH and temperature.
• Adjust your nutrient solution as required.
• Rinse the probe after use and store with the cap in place.

Bluelab pH ProbePlus (Replacement Probe)

The Bluelab pH ProbePlus is a direct replacement probe for the pH PenPlus, allowing you to restore accurate readings without replacing the full meter.

• Direct replacement probe; designed specifically for the Bluelab pH PenPlus
• Measures pH and temperature; maintains full functionality of the pen
• Double-junction design; improves durability and measurement stability
• Easy to install; no tools required
• KCl-filled storage cap; helps maintain probe condition between uses

How to Replace the Bluelab pH ProbePlus

• Remove the existing probe from your pH PenPlus.
• Attach the new Bluelab pH ProbePlus securely.
• Calibrate the pen before use for accurate readings.
• Store the probe in its KCl solution when not in use.

Tech Specs

• Brand: Bluelab
• Product type: pH and temperature meter with replaceable probe
• Measurements: pH and temperature
• Probe type: Replaceable double-junction probe
• Compatibility: Bluelab pH PenPlus
• Maintenance: Requires regular calibration and storage solution

Top Tip

Always keep your probe hydrated using the storage cap solution and calibrate regularly. This ensures long-term accuracy and helps extend the life of your Bluelab pH ProbePlus.