Convert EC to PPM

Here's a quick chart to show how to convert EC to PPM.

 

EC PPM
0.1 50
0.2 100
0.3 150
0.4 200
0.5 250
0.6 300
0.7 350
0.8 400
0.9 450
1 500
1.1 550
1.2 600
1.3 650
1.4 700
1.5 750
1.6 800
1.7 850
1.8 900
1.9 950
2 1000
2.1 1050
2.2 1100
2.3 1150
2.4 1200
2.5 1250
2.6 1300
2.7 1350
2.8 1400
2.9 1450
3 1500
3.1 1550
3.2 1600
3.3 1650
3.4 1700
3.5 1750

 

You can also find PPM and EC levels for a variety plants here.

 

There's more great growing information in the links below:

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