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Potassium Polyspartate becomes a Legal Wine Additive

February 14, 2020

Once the European Union approved its use, it was fairly easy for US wineries to be granted a variance to "experiment" with the additive. The most recent Unified Wine and Grape Symposium had a session on tartrate stability that is worth a listen. Anyone curious about what can be used in wine production, in the US, should refer to 27 CFR part 24