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Sep 17, 2008
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Hi, I want to bottle a 5 gallon batch of red grape wine but I want to make sure I am doing what is right. I added potassium sorbate to the wine last night, 1/2 teaspoon per gallon. Is that amount okay.
I also read in other forums that potassium metabisulfate is also requited, 1/4 teaspoon for 5 gallons. Is this needed and is this amount correct?

That is correct, You should always add the k-meta first though for future reference but being so close together is fine. Those are the correct amounts. Sulfite protects your wine against oxidation and spoilage while sorbate prevents re fermentation of sugars still in your wine or added for sweetening purpose. Sorbate also has some anti microbial purposes also so adding it to a wine that will not be sweetened is not a waste of time.