Bluelab Nutrient Truncheon
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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 has proven itself as the best nutrient meter. Many imitations have come and gone the Truncheon just shrugs off the competition. Simple to use and unbeatably accurate. It's also great for stirring your tank to.
To take a reading of your solution - simply place the probe head into the solution for 1-2 minutes to reach the same temperature of your nutrient. Remove from the solution and place back in to take the reading as indicated by the flashing lights. Rinse the probe after use in fresh water and clean once a week to ensure the Truncheon Nutrient Meter remains accurate.
Measures in EC (0.2 - 3.6), CF (2 - 36) and ppm (TDS and 700 scale)
Battery life minimum 1 year (or shelf life of battery)
Guaranteed for 5 years!