Bluelab PH Pen

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Bluelab pH PenThe Bluelab pH Pen is a handheld and easy to use. Users will quickly get a clear and accurate reading on an easy-to-read backlit LCD screen.By getting the pH right us ers will maximise nutrient uptake – for most plants the ideal pH is 5.5 – 6.5. Get the nutrient temperatures right to fight root diseases improve growth and boost nutrient uptake further.KEY FEATURES Measures pH and temperature. Backlit LCD display. Successful pH calibration indicator. Fully waterproof. Automatic Temperature Compensation. Show more