Optimize Your Plants' Nutrient Uptake with the Bluelab pH PenPlus

The difference is simple. When natural probe wear occurs, the probe can be replaced, not the whole pen. Simply swap out the probe to quickly restore performance.
Built to IP68 standards, dustproof, waterproof, and designed for demanding environments, the pH PenPlus encourages long-term use while protecting your workflow and investment.

The pH PenPlus is about readiness. Keeping a replacement probe on hand means less downtime, less disruption and continued confidence in every reading. The Bluelab pH PenPlus. pH confidence you can swap back in.

It’s time to unlock your plants’ full potential. Use your Bluelab pH PenPlus with confidence, knowing that our team is here to support you with expert advice and product availability, so you can grow with confidence.

Whether you’re just starting or are committed to your journey in the art and science of growing for a healthier world.

Features and Benefits

• Replaceable pH probe: Easily swap out the probe using the quick screw-cap design to restore performance and minimize downtime.
• Double junction probe: Provides longer life and stable, reliable measurements by preventing electrode fouling.
• IP68 dustproof and waterproof: Built to demanding standards to withstand harsh, humid growing environments.
• Measures pH and temperature: Accurately monitors your nutrient solution with a bright, easy-to-read backlit display.
• Selectable temperature units: Read temperature easily in either Celsius (°C) or Fahrenheit (°F).
• 30-day calibration reminder: Features a simple 2-point calibration system with a built-in alert to ensure constant accuracy.
• Hold-reading function: Allows you to lock the measurement on screen for convenient logging.
• Advanced cap design: Features a KCl-filled silicone cap with an internal sponge to keep the probe hydrated, plus an integrated lanyard.
• Auto-off feature: Conserves battery life by automatically powering down when not in use.
• Compact and lightweight: Handheld design engineered specifically for everyday use by growers.

Aqua Gardening Suggests These are Best For

The Bluelab pH PenPlus is best for commercial and hobby hydroponic growers, greenhouse managers, and indoor gardeners who require a rugged, high-performance testing tool that eliminates downtime through easy, user-replaceable parts.

Notes from Aqua Gardening

• Read the instruction manual thoroughly before using the Bluelab pH PenPlus to ensure proper setup and maintenance.
• Keep the internal sponge in the silicone cap damp with KCl storage solution; never let the pH probe dry out.
• While the pen features an exceptional IP68 waterproof rating, avoid dropping it onto hard surfaces or leaving it permanently submerged in your reservoir.

FAQs

How does the Bluelab pH PenPlus benefit my plants?

By providing highly accurate and fast pH and temperature readings, the Bluelab pH PenPlus allows you to fine-tune your nutrient solution. This ensures your plants can efficiently absorb the essential minerals required for robust growth, better health, and maximum yield.

What sets the Bluelab pH PenPlus apart from standard pH pens?

Unlike traditional pens where a degraded probe means replacing the entire unit, the pH PenPlus features a screw-cap design that allows you to replace just the probe. Combined with an IP68 rugged build and a double-junction electrode, it offers unmatched long-term value and zero operational downtime.

How does the calibration reminder work?

The Bluelab pH PenPlus includes a simple 2-point calibration system that features a 30-day reminder icon on the backlit display, ensuring you always know exactly when it is time to recalibrate for maximum accuracy.

Can the Bluelab pH PenPlus measure temperature in both Celsius and Fahrenheit?

Yes, the device features selectable temperature units, allowing you to easily toggle the display between Celsius (°C) and Fahrenheit (°F) to suit your preference.

How do I maintain my Bluelab pH PenPlus for optimal performance?

To maximize the lifespan of your pen, always rinse the probe with clean water after use, keep the silicone cap filled with KCl storage solution to maintain hydration, calibrate at least every 30 days, and swap out the replaceable probe whenever you notice a decline in response times.