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Comparing EC, CF & PPM
Electro Conductivity or Conductivity Factor (EC x10) is the ONLY Accurate measurement if relaying Nutrient strength to another Person as different PPM meters have been made with different scales for some reason? Ie EC X500 ECx560 or the most Common in Hydro ECx700
| EC | CF | PPM |
| 0.2 | 2 | 140 |
| 0.4 | 4 | 280 |
| 0.6 | 6 | 420 |
| 0.8 | 8 | 560 |
| 1.0 | 10 | 700 |
| 1.2 | 12 | 840 |
| 1.4 | 14 | 980 |
| 1.6 | 16 | 1120 |
| 1.8 | 18 | 1260 |
| 2.0 | 20 | 1400 |
| 2.2 | 22 | 1540 |
| 2.4 | 24 | 1680 |
| 2.6 | 26 | 1820 |
| 2.8 | 28 | 1960 |
| 3.2 | 32 | 2240 |
| 3.6 | 36 | 2520 |
