Solution of A-5D K/SD potassium polyaspartate (KPA), Gum Arabic Verek and sulfur dioxide. ZENITH COLOR is an effective, rapid and easy-to-use tool for potassium bitartrate and color stabilization of red and rosé wines. It assures no changes in quality or characteristics of wine with full color and tartaric stabilization in a single addition. ZENITH COLOR does not significantly modify wine filterability and can be added before microfiltration.