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The IONIC EC 1,413 µS calibration solution is the must-have accessory to guarantee the precision of your conductivity meter. In hydroponics or soil growing, a reliable EC reading is the key to balanced nutrition and optimal plant growth.

| Specification | Value |
|---|---|
| Reference value | 1,413 µS/cm (EC) |
| Total volume | 250 mL split into sachets |
| Number of calibrations | 12 calibrations |
| Stability | 100% stabilized, single-use |
| Compatibility | All EC meters on the market |
100% stabilized solution at 1,413 µS/cm for a precise calibration of your conductivity meter — essential to dose your hydroponic nutrients with confidence.
12 sealed single-use sachets: no contamination, no waste — fresh solution for every measurement and consistently reliable results.
Works with every EC meter and conductivity tester on the market — a universal standard for serious indoor growers.
Weekly calibration is recommended for regular growers. With this 12-calibration pack, you cover nearly 3 months of intensive use.
How do I use this calibration solution?Open one sachet, dip your EC meter probe in the fluid, switch the meter on: it should read 1,413 µS/cm. If it differs, adjust via the calibration function of your device. Do not reuse the fluid.
BloomLED, French indoor cultivation expert with 10+ years of experience, selected IONIC for its stability recognized by professional growers.