Related topics
| Topic | Replies | Views | Activity | |
|---|---|---|---|---|
| Questions about new ec meter | 9 | 835 | February 28, 2019 | |
| What is the difference between ppm and EC? | 0 | 3237 | August 10, 2016 | |
| I need a beginners crash course in PPM | 81 | 1468 | July 7, 2021 | |
| Can some one take the time and explain ppm | 22 | 929 | March 29, 2022 | |
| High EC tap water | 49 | 1090 | September 20, 2020 | |
| Seedling feeds? | 53 | 3838 | January 16, 2021 | |
| Nutrient concentrations | 25 | 682 | September 21, 2021 |