Trusted by growers worldwide for over 25 years!
Monitor pH, Nutrient Levels & Temperature with Ease
Take control of your grow space with the Bluelab Combo Meter—your go-to handheld solution for optimizing plant health. This all-in-one device is perfect for measuring:
- pH: Understand acidity or alkalinity to ensure maximum nutrient absorption.
- Conductivity (EC): Track nutrient levels in your solution to promote healthy plant growth.
- Temperature: Optimize growing conditions for faster growth and better structure.
Why Growers Love the Bluelab Combo Meter
- Portable & User-Friendly: Lightweight, handheld design with simple controls for fast, accurate readings.
- Bright Backlit Display: Get clear readings anytime, even in dimly lit grow rooms.
- Customizable Settings:
- Choose from EC, CF, PPM 500 (TDS), or PPM 700 for conductivity.
- Switch between °C or °F for temperature.
- Durable Probes for Reliable Performance:
- Replaceable Bluelab pH Probe with BNC connection for extended use.
- Combination Conductivity/Temperature Probe for quick, hassle-free measurements.
- Accurate & Consistent Results: Automatic Temperature Compensation (ATC) ensures precision in any environment.
Built for Growers, Designed to Last
With over 25 years of experience, Bluelab products are engineered to make growing easier. The Combo Meter is backed by a 5-year warranty, ensuring durability and peace of mind.
Effortless Maintenance
Keep your Combo Meter in top shape with:
- Simple 2-point Calibration: Maintain accuracy with minimal effort.
- Probe Care Kits: Clean, maintain, and calibrate your probes effortlessly.
Expand Your Toolkit
Take your growing experience to the next level by pairing your Combo Meter with:
- Bluelab Leap pH Probe: Ideal for direct root zone measurements.
- Bluelab Carry Case: Protect your meter and accessories while staying hands-free during measurements.
Perfect for Every Grow Space
With a 2-meter (6.6-foot) cable, this meter is perfect for hard-to-reach areas, nutrient reservoirs, run-off, and water supplies. Powered by standard AAA batteries (included), it’s ready to go wherever you need it.
Join thousands of growers who trust Bluelab for their growing success. Order your Combo Meter today and take control of your grow!
Bluelab Combo Meter - The ultimate 3-in-1 tool
The key to healthy plants lies in understanding the basics:
- pH affects nutrient absorption.
- Conductivity reflects nutrient levels in the solution.
- Temperature impacts growth rates and plant structure.
With the Bluelab Combo Meter, you can monitor these critical factors with confidence, giving your plants the best chance to thrive.
Automatic Temperature Compensation: Yes
Operating Environment: 0 – 50 ̊C / 32 – 122 ̊F
Measurement Resolution: 0.1 pH, 0.1 EC, 1 CF. 10 ppm 500(TDS), 10 ppm 700. 1 ̊C / 1 ̊F
Measurement Range: 0.0 – 14.0 pH, 0.0 – 9.9 EC, 99 CF. 0 – 4950 ppm 500 (EC x 500). 0 – 6930 ppm 700 (EC x 700). 0 – 50 ̊C / 32 – 122 ̊F
Measurement Accuracy: ± 0.1 pH, ± 0.1 EC, ± 1 CF. ± 50 ppm 500(TDS), ± 70 ppm 700. ± 1 ̊C / ± 2 ̊F
Calibration: pH requires two point, pH 7.0 & pH 4.0 or pH 10.0 calibration. Conductivity calibration is optional.
Power: 2 x AAA alkaline batteries
CE Compliance: Yes
FCC Compliance: Yes
RoHS Compliance: Yes
Other specifications:
Warranty: 5-YEARS
Country of Origin: New Zealand
