potassium bicarbonate

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  1. NDengineer

    Metallic Taste... Potassium Bicarbonate?

    I have a batch of raspberry rhubarb wine with some serious off flavor - mostly metallic. Sources seem to suggest metallic off flavors come from metal pots, tin cans, etc, but nothing in my brew has been in contact with metal (all ingredients harvested from my garden, plastic fermenter, glass...
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