Bluelab Truncheon Meters
Bluelab Truncheon Nutrient Meters — No-Calibration EC & TDS Testing
The Bluelab Truncheon is the world's most popular nutrient meter — and for good reason. Designed for simplicity and durability, the Truncheon measures electrical conductivity (EC), parts per million (ppm), and temperature with no calibration required, ever. Just dip it in your nutrient solution and read the LED display instantly.
Truncheon Meter Range
- Bluelab Truncheon Nutrient Meter: The original, no-calibration EC/TDS meter trusted by hydroponic growers worldwide — available in CF, EC, and ppm scales
- Bluelab Truncheon Connect: Bluetooth-enabled Truncheon with app connectivity for logging and tracking nutrient readings over time
Why the Bluelab Truncheon Stands Out
- No calibration required — ever. Simply dip and read
- Waterproof and virtually indestructible — built for daily grow room use
- LED display readable in low-light grow environments
- Measures EC, CF, and ppm (500 & 700 scales) depending on model
- Trusted by professional and hobbyist hydroponic growers for 20+ years
- Compatible with all nutrient solutions and hydroponic systems
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