Remember to convert EC meter values

Many of you use the Spectrum TDS-4 EC meter to monitor soil salinity. It is one of the most useful, least expensive and most powerful tools you can own, especially if you deal with poor quality water and/or low rainfall environments. BUT — and this is a big BUT — the readings that you see on the meter's digital readout have to be converted using the information below. If you take readings directly off of the meter, you can be…