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I'm having some trouble with the cheap tds / ppm meters giving inaccurate readings and ordered a truncheon on the recommendation of a friend. I'm told the truncheon gives more accurate readings in both EC and 500 scale PPM. Is it worth the nearly $100 I spent on this thing or am I just burning my money?
from Hydroponics / Aeroponics https://www.rollitup.org/t/is-the-blue-lab-truncheon-worth-the-96.1004679/