Bluelab EC penCompletely waterproof, can be submerged in water without any problemsChoose your measuring unit, EC.CF, PPM 500 (TDS) or PPM 700Flat electrode for easier cleaning and maintenanceHold reading functionAutomatic temperature compensation for correct measurementsAuto-off function, provides longer battery life1 x AAA alkaline battery included You can quickly and accurately measure your EC with a click and with Bluelab you can relax and be sure that with the high quality and user-friendly settings, you will get a reliable result every time! You also have the option to change which measurement unit you would like to use, such as EC, CF, PPM 500 (TDS) or PPM 700 and with the temperature you can choose between Celsius and Fahrenheit. In addition, it adapts the result itself, in relation to the temperature of your water, as this also has an influence. Do you remember to keep track of your EC?– Your EC says something about the amount of nutrient salts, what it measures is how well your fertilizer mixture conducts electricity.If you live in an area with very hard water, this will mean that you already have a relatively high EC before you add your fertilizer, which means you have a smaller gap before you reach the maximum level that your plants can tolerate.
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