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Search the Community: Showing results for tags 'which system should i use'.
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I am about to start a my first hydro grow and I have everything ready to go but I just have one question...Which system do I use to convert EC to TDS? Do I multiply the EC by 5 or 7 to get the TDS? I have the GHE Flora 3 part nutrient and their feeding chart is for TDS so just want to clarify which scale I should use. The EC straight from the tap is 0.0 btw.