Test Meters & Controllers

EC stands for Electrical Conductivity and PPM stands for Parts Per Million. Both terms are used to determine the nutrient levels of water within your hydroponic system. Whether you're new to hydroponics or have been growing hydroponically for years, it's important to keep up with your nu ...
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COVID-19 is an infectious coronavirus that affects the respiratory system. The World Health Organization (WHO) has stated that good hygiene practice is one of the best ways to halt the transmission of COVID-19. ...
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What is conductivity? Conductivity (measured in ppm, EC, TDS, CF) is the total soluble salts contained within a liquid solution. Pure water does not contain salts, so it has a conductivity measurement of zero. By adding soluble elements to the water, electricity is able to move through the solution giving it a conductivity rating. ...
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Watch how to prepare the Bluelab Guardian Monito ...
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