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(pp) wrote in message . com>...

>
> Lee:
>
> The fining agents work by attracting oppositely charged (+, -)
> particles. That's why kits come with 2 clearing agents (like bentonite
> and isinglass) or the mentioned kieselsol/gelatin, kieselsol/chitosan
> combos. So on your 2 batches, you've added both types of clearing
> agents and the wine cleared. On the 3rd you added just one and it
> didn't. It looks like you need to add the bentonite or another
> clearing agent that attract the same type of particles as bentonite.
> Sorry, don't have my reference books here so can't be more specific.
>
> Pp

Can you say which fining agent is + and which is -?

Also, if using canned juice or puree, it likely has been heated.
Pectic Enzyme is called for.

I don't know if box juice concentrates are heated or not. But I've
read they are "hot pressed."