Suggested levels for vegetable in EC, CF, and PPM
Below is a chart that gives suggested levels for each type of vegetable in EC, CF, and PPM. | Data logger , Food thermometer , Hydroponic meter
| Plant | EC | PPM x 500 | CF | PPM x 700 |
| Asparagus | 1.4 – 1.8 | 700 – 900 | 14 – 18 | 980 – 1260 |
| Basil | 1.0 – 1.4 | 500- 700 | 10 – 14 | 700 – 980 |
| Beans | 1.8 – 2.5 | 900 – 1250 | 18 – 25 | 1260 – 1750 |
| Beets | 1.4 – 2.2 | 700- 1100 | 14 – 22 | 980 – 1540 |
| Blueberry | 1.8 – 2.0 | 900 – 1000 | 18 – 20 | 1260 – 1400 |
| Broccoli | 1.4 – 2.4 | 700 – 1200 | 14 – 24 | 980 – 1680 |
| Cabbage | 1.4 – 2.4 | 700 – 1200 | 14 – 24 | 980 – 1680 |
| Carrot | 1.4 – 2.2 | 700 – 1100 | 14 – 22 | 980 – 1540 |
| Cauliflower | 1.4 – 2.4 | 700 – 1200 | 14 – 24 | 980 – 1680 |
| Celery | 1.5 – 2.4 | 750 – 1200 | 15 – 24 | 1050 – 1680 |
| Chives | 1.2 – 2.2 | 600 – 1100 | 12 – 22 | 840 – 1540 |
| Corn (Sweet) | 1.6 – 2.4 | 800 – 1200 | 16 – 24 | 1120 – 1680 |
| Cress | 1.2 – 2.4 | 600 – 1200 | 12 – 24 | 840 – 1680 |
| Cucumber | 1.6 – 2.4 | 800 – 1200 | 16 – 24 | 1120 – 1680 |
| Eggplant | 1.8 – 2.2 | 900 – 1100 | 18 – 22 | 1260 – 1540 |
| Endive | 0.8 – 1.5 | 400 – 750 | 8 – 15 | 560 – 1050 |
| Garlic | 1.4 – 1.8 | 700 – 900 | 14 – 18 | 980 – 1260 |
| Lettuce – Loose Leaf | 0.3 – 0.8 | 150 – 400 | 3 – 8 | 210 – 560 |
| Lettuce – Iceberg | 0.6 – 1.4 | 300 – 700 | 6 – 14 | 420 – 980 |
| Melons | 1.0 – 2.2 | 500 – 1100 | 10 – 22 | 700 – 1540 |
| Mint | 1.0 – 1.4 | 500 – 700 | 10 – 14 | 700 – 980 |
| Mustard | 1.2 – 2.4 | 600 – 1200 | 12 – 24 | 840 – 1680 |
| Okra | 2.0 – 2.4 | 100 – 1200 | 20 – 24 | 1400 – 1680 |
| Onion | 1.8 – 2.2 | 900 – 1100 | 18 – 22 | 1260 – 1540 |
| Parsley | 0.8 – 1.8 | 400 – 900 | 8 – 18 | 560 – 1260 |
| Parsnips | 1.8 – 2.4 | 900 – 1200 | 18 – 24 | 1260 – 1680 |
| Peas | 1.4 – 1.8 | 700 – 900 | 14 – 18 | 980 – 1260 |
| Peppers | 1.8 – 2.8 | 900 – 1400 | 22 – 28 | 1260 – 1960 |
| Pumpkin | 1.4 – 2.4 | 700 – 1200 | 14 – 24 | 980 – 1680 |
| Radish | 1.2 – 2.2 | 600 – 1100 | 12 – 22 | 840 – 1540 |
| Sage | 1.0 – 1.6 | 500 – 800 | 10 – 16 | 700 – 1120 |
| Spinach | 1.8 – 3.5 | 900 – 1750 | 18 – 35 | 1260 – 2450 |
| Squash | 1.8 – 2.4 | 900 – 1200 | 18 – 24 | 1260 – 1680 |
| Strawberry | 1.8 – 2.5 | 900 – 1250 | 18 – 25 | 1260 – 1750 |
| Thyme | 1.2 – 1.6 | 600 – 800 | 12 – 16 | 840 – 1120 |
| Tomato | 1.8 – 2.8 | 900 – 1400 | 22 – 28 | 1260 – 1960 |
| Turnip | 1.8 – 2.4 | 900 – 1200 | 18 – 24 | 1260 – 1680 |
| Watercress | 0.4 – 1.8 | 200 – 900 | 4 – 18 | 280 – 1260 |