Bluelab pH Pen
Best portable meter for growers needing precise nutrient and temperature monitoring.
This compact meter removes the guesswork from your grow by providing instant, lab-grade accuracy for both pH and temperature. It trades the complexity of bulky, benchtop equipment for a rugged, waterproof design that fits in your pocket and simplifies your daily routine.
$103.04
at
GrowGeneration
Who it's for
- Serious growers needing precise nutrient management for healthy plants
- Field gardeners requiring durable, waterproof equipment for rugged conditions
- Busy hobbyists wanting quick, hassle-free calibration and clear readings
Who should skip it
- Budget-conscious growers avoiding recurring replacement costs
- Casual gardeners looking for an affordable, entry-level testing tool
- Forgetful users who might neglect strict probe maintenance requirements
Performance breakdown
Measurement Precision
Reliable accuracy ensures nutrient solutions remain within the optimal growth window.
Calibration Simplicity
Two-point process makes routine maintenance quick and frustration-free for growers.
Build Durability
Fully waterproof construction handles the inevitable splashes of a busy grow room.
Portability
Compact pen-style form factor fits easily into any pocket or kit.
Readability
Backlit LCD display provides clear visibility in dim or cramped spaces.
Operational Efficiency
Automatic temperature compensation and auto-off features streamline the entire testing workflow.
Key Specs
Weight
0.158 kg
Dimensions
208.28 x 55.88 x 30.48 mm
Measurement Range
0.0 – 14.0 pH
Temperature Range
0 – 50 ºC
Accuracy
± 0.1 pH
Calibration
Two-point calibration (pH 7.0 & pH 4.0 or pH 10.0)
Display Type
Backlit LCD
Battery Type
1 x AAA alkaline battery
Warranty
12 months
Country of Origin
New Zealand
Know before you buy
Still have a question?
Ask Metto anything about the Bluelab pH Pen before you decide.
