Bluelab Truncheon EC Stick Nutrient Meter CF PPM Strength Control Hydroponics

The world's favourite nutrient meter! With its super tough, high quality, fully waterproof design, no calibration required, daylight readable blue LED's and no on/off buttons to worry about, the Bluelab Truncheon® Nutrient Meter has proven itself as the world's f avourite nutrient meter.

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