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Herb pH/PPM/cF chart for Hydroponic Gardeners |
| These nutrient pH and TDS values are for hydroponic gardening only. |
| Herbs |
pH |
cF |
PPM |
| Basil |
5.5-6.5 |
10-16 |
700-1120 |
| Chicory |
5.5-60 |
20-24 |
1400-1600 |
| Chives |
6.0-6.5 |
18-22 |
1260-1540 |
| Fennel |
6.4-6.8 |
10-14 |
700-980 |
| Lavender |
6.4-6.8 |
10-14 |
700-980 |
| Lemon Balm |
5.5-6.5 |
10-16 |
700-1120 |
| Marjoram |
6.0 |
16-20 |
1120-1400 |
| Mint |
5.5-6.0 |
20-24 |
1400-1680 |
| Mustard Cress |
6.0-6.5 |
12-24 |
840-1680 |
| Parsley |
5.5-6.0 |
8-18 |
560-1260 |
| Rosemary |
5.5-6.0 |
10-16 |
700-1120 |
| Sage |
5.5-6.5 |
10-16 |
700-1120 |
| Thyme |
5.5-7.0 |
8-16 |
560-1120 |
| Watercress |
6.5-6.8 |
4-18 |
280-1260 |
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