EC

why is EC important and how to get an accurate reading and when is best to do it? How often too?

EC is the electrical conductivity of your solution in our case. It is more accurate in determining our feeding strengths. It is more accurate thaxn using PPM.

Buy a decent meter. Hanna or Blue brands suggested. Start by measuring the EC of your water. Go from there.

https://www.royalqueenseeds.com/blog-cannabis-water-quality-part-2-ppm-ec-n298