Bluelab pH PenPlus & Replacement pH ProbePlus

Digital pH & Temperature Meter for Hydroponics with Replaceable Probe

The NEW Bluelab pH PenPlus is a high-accuracy digital pH and temperature meter designed for growers working in hydroponics, coco and soil. Built with a replaceable ProbePlus system, it allows you to maintain long-term accuracy without replacing the entire meter.

Supplied alongside the Bluelab pH ProbePlus replacement probe, this setup gives you a reliable, long-term solution for monitoring your nutrient solution and maintaining stable pH levels throughout your grow.

Please Note - these are purchased to order so extended lead times will apply

Key Benefits

• Accurate pH and temperature readings; essential for nutrient solution control
• Replaceable probe system; extend lifespan and reduce long-term costs
• Designed for growers; ideal for hydroponics, coco and soil setups
• Fast, reliable readings; monitor and adjust feeds with confidence
• Durable build quality; suitable for regular use in grow rooms and reservoirs
• Tool-free probe replacement; quick and simple maintenance

Why You Need It

Maintaining the correct pH is critical for nutrient uptake. If your pH drifts out of range, plants can experience nutrient lockout, even when your feed is correct.

The Bluelab pH PenPlus allows you to accurately measure and adjust your nutrient solution, helping keep your grow consistent from start to finish. With a replaceable probe, you can restore performance over time without replacing the full meter, making it a practical long-term investment.

How to Use

1. Rinse the probe: Always rinse with clean water before use.
2. Insert into solution: Place the probe into your nutrient mix or test sample.
3. Wait for reading: Allow pH and temperature values to stabilise.
4. Adjust as needed: Use pH up or down to correct your solution.
5. Clean and store: Rinse after use and replace the storage cap.

Bluelab pH ProbePlus (Replacement Probe)

The Bluelab pH ProbePlus is a direct replacement probe for the pH PenPlus, allowing you to restore accuracy and extend the life of your meter.

• Direct replacement probe; designed specifically for the pH PenPlus
• Measures pH and temperature; maintains full functionality
• Double-junction probe design; improved durability and stability
• KCl storage cap included; helps maintain probe condition
• Quick installation; no tools required

How to Replace

1. Remove existing probe: Detach from the pen.
2. Install new ProbePlus: Secure into place.
3. Calibrate before use: Ensure accurate readings.
4. Store correctly: Keep in storage solution when not in use.

Tech Specs

• Brand: Bluelab
• Product type: Digital pH and temperature meter
• Measurements: pH and temperature
• Probe type: Replaceable double-junction probe
• Compatible with: Bluelab pH PenPlus
• Use: Hydroponics, coco coir, soil
• Maintenance: Requires calibration and storage solution

Top Tip: For consistent accuracy, calibrate regularly using pH 4.0 and 7.0 solutions and always store your probe in KCl storage solution.