Asked by: Mellissa Boinho
asked in category: General Last Updated: 15th January, 2020

Is ppm and EC the same?

Summary. ppm stands for parts per million & is the most common domestically used unit when measuring TDS. EC stands for electrical conductivity, which is a measurement of the ability of something to conduct electricity. In horticulture, EC is the most accurate way to measure nutrient concentration in solution.

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Consequently, how do you convert EC to PPM?

To get an EC value, multiply the ppm reading by 2 and divide by 1000. Thus, if your EC is 1: 1*1000/2= 500 ppm.

Also Know, what is EC water? EC or Electrical Conductivity of water is its ability to conduct an electric current. Salts or other chemicals that dissolve in water can break down into positively and negatively charged ions. Salinity and total dissolved solids (TDS) are used to calculate the EC of water, which helps to indicate the water's purity.

Considering this, is TDS and EC the same?

EC stands for Electrical Conductivity and is measured in mS/cm or millisiemens per centimeter. TDS stands for Total Dissolved Solids and is measured in PPM or parts per million. Because TDS is actually a calculation it is really only a guess at what the nutrient concentration is.

What is a PPM meter?

Parts Per Million The measurement is commonly used to describe the concentration of something in water or soil. TDS meters give readings as ppm (parts per million). In the metric system, ppm is easy to figure out because the readings are equal to 1 gram in 1,000 liters of water, or 1 milligram in 1 liter of water.

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