Product Description
Blue Lab E/C PPM Truncheon are now the industry standard in solution testing .They are super easy to use with auto on and off function ,dip into solution and check your reading against the flashing lights .In Australia and the rest of the world bar the USA use the .7 conversion factor only the USA use the .5 conversion .If you use the .5 conversion you will not give your plants a correct feed resulting in poor yields and slow plant growth .
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One of Bluelab finest products
Tough, waterproof no re-calibrations needed