21.09.2026, 17:48
Measuring the EC of what drains out of the pot after watering tells you whether salts are building up around the roots of a CBD plant long before the leaves show it. Runoff that reads much higher than what went in means it is time for a plain water flush, and runoff lower than the feed means the plant is hungry. A simple table of input versus runoff readings and what each combination means is on https://calmcbdseeds.com. The meter costs less than one bottle of nutrients.