Use it to quickly and accurately test the conductivity levels (EC, CF & PPM) of your nutrient solution.
Testing is simple;
Dip the end of the Truncheon into the nutrient solution and wait for a minute or two for the Truncheon's probe to reach the same temperature as the nutrient.
Handy Hint: 95% of all Truncheons returned to Holland Forge as 'Faulty' only require cleaning or new batteries. It's a great idea to buy a Cleaning Kit which contains everything you need, and check out the Cleaning Guide to keep your Truncheon in tip top condition.
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