Bluelab pH PenPlus

The pH PenPlus delivers industry-leading Bluelab pH confidence, engineered for continuity.

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. pH confidence you can swap back in.

It’s time to unlock your plants’ full potential. Use your 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. Product Features

Double-junction pH probe for reliable measurements

Replaceable pH/temperature probe

Temperature in °C or °F

Hold-reading function

Screw-cap probe design for quick replacement

KCl-filled silicone cap with internal sponge maintains probe hydration

Integrated lanyard with waterproof silicone probe cap

Bright backlit display for easy reading

Simple 2-point calibration with 30-day reminder

Auto-off function to conserve battery

IP68 dustproof and waterproof rating

Compact handheld design

2-Year limited warranty