Originally Posted by mrkstel
I've added it months after fermentation has ended. Just dump it in the carboy and give it a stir (gently) to dissolve. If you don't want to stir it in dry, pull a little cider out with a thief, mix the PE and add it back to the carboy. It will clear up in a couple weeks.
Yes, you can do as above and add it anytime. I either dissolve it in a sample of the cider/wine or in a little water and stir it in. If you have a pectin haze, it will help, not matter when you add it.