| Brand | Hanna Instruments |
|---|---|
| Type | Hydroponics |
| Model | HI7031L |
| Compatible Model | Universal |
Check the listing for details. Hanna 1413 uS-CM Calibration Solution -- 16 oz Hydroponic Garden Meter. Condition: New. Listed at 31.78 USD. TDS solution are produced with high-quality potassium chloride in various concentrations. They are standardized using a conductivity meter calibrated with NIST potassium chloride. The 1413 ?S/cm solution is the one best suited for general use. This solution is also available in combination kits with the pH 7 buffer for the easy calibration of multiparameter instruments.
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