TDS

Using the 3-2-1 FloraSeries® mixture, approximately what TDS or EC readings should I expect?

Nutrient EC (milliSiemens/cm) TDS meter (NaCl standard)
3:2:1 2.3-2.5 1350-1450
2:2:2 2.2-2.4 1300-1400
1:2:3 2.1-2.3 1250-1350