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HM EC Meter / Tester Includes:
EC stands for Electrical Conductivity, or the ability of a solution to conduct electricity. Electricity moves efficiently through water with high levels of salt present (high EC), and less efficiently with low levels (low EC). EC indicates how much dissolved salt is in a given sample. That is why EC is also referred to as TDS (Total Dissolved Salts) or Salinity (the amount of salts in a solution). All nutrients are salts, so EC is the same as measuring total nutrients in a solution.
HM EC Meter / Tester Specs:
Once i worked out what the reading actually was it is very easy to use. The manufacturer should explain the reading compared to other units. Other units give a reading for instance 1.8 where as this unit just reads 1800 with no explanation.
