EC stands for Electric Conductivity word means. The electrical conductivity of salt (in hydroponic devices will mean nutrient salts) that dissolve in water. Typically, pure water conductivity is zero. But when nutrients dissolved in water. Salts, nutrients are broken down into positive and negative ions, which are electrically conductive. The conductivity (Electric Conductivity) which is electrically conductive, which happens to be directly proportional to the salt content of nutrients dissolved in water, so we are used to measure the conductivity of the solution (the EC) to be built. quantifying nutrient salts dissolved in water, but the determination of the EC is the only measure total concentration of salt can not exclude that individual has.
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