potassium sorbate, when and why?

[Kracker]

when and why should it be used?

 

[Julie]

You add it after your wine is done fermenting and cleared if you are going to backsweeten your wines.

Here is a link that you might find interesting:

http://www.winemakingtalk.com/forum/f6/sorbate-44807/

 

[Dale1978]

potassium sorbate is used to stabilize a wine and prevent a restart of fermentation - you add it before you back sweeten - if you are not back sweetening then you do not need it