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chenyueying The number of electrolysis is determined by you according to your preferences and actual needs. At present, the concentration of you said after 1 electrolysis and 3 electrolysis cannot be determined temporarily. 30ml water + 22.5g salt for 8 minutes, the concentration is about 1000-1500mg per liter, 30ml water + 15g salt for 8 minutes, the concentration is about 500-800mg per liter, 30ml water + 7.5g salt for 8 minutes, the concentration is about 300-500mg per liter.

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