This time, my focus is on a cheap TDS meter. TDS meters are small hand-held devices used to indicate the Total Dissolved Solids in a solution, usually water. Since dissolved ionized solids (such as ...
Measuring the total dissolved solids, or TDS, gauges the strength of a hydroponic nutrient solution and is an unparalleled method of determining water quality. When growing hydro make sure to take all ...
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