Operating salt to DIN 973.
To avoid product contamination, the tablet salt used for filling the salt dissolving tank of the electrolyser and the water softener must meet the following specifications:
| NaCl | min. 99.9% |
| Water-insoluble particles | < 0.01 % |
| Bromide | < 75mg/kg |
| Hardness components Ca, Mg in total (calculated as Ca) | < 50mg/kg |
| Sulphate | < 400mg/kg |
| Iron | < 2mg/kg |
| Manganese | < 1mg/kg |
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