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  1. S

    What Sanitisers and Cleaners are used.

    Idophor stains are not a problem. Potassium (or Sodium) metasulphite are reducing agents. They break down oxidizers like Oxygen or Iodine. That's why they're used as preservatives in wine. The point it, a metasulphite solution reacts with the idophor solution. No more brown stain. Just...
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