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Potassium polyaspartate is highly effective at chill-proofing wine before bottling. Regarding tartrate stabilization, its performance is similar to that of metatartaric acid but offers greater duration of stability. Zenith Uno is a polyasparate solution prepared with sulfur dioxide.
It is recommended to treat with bentonite before potassium polyaspartate to clairfy and protein stabilize the wine as well.
Advantages of treating wine with potassium polyaspartate: