I just started a new high end RJS Cabernet kit. After secondary fermentation and degassing you are supposed to add Metabisulfate and Potassium Sorbate. Since it is a dry wine, can I leave out the Potassium Sorbate?
Just make sure that the wine is fully dry. Your S.G. should be below 1.000. If you were to mistake a stuck ferment for a finished wine, you could have a ferment take off in the bottle later on.
I very, very rarely use sorbate in my wines and only on the very, very rare occasions that I intend to sweeten the wine. In making a red, such as a Cabernet Sauvignon, I throw away the sorbate with the packaging.
My bad. Mason is right. MLF was a big no-no when using sorbate, but I forgot that this was a kit and the malic content is different than that of fresh grapes.