Is 91F too cold?

[NGC1300]

update:

I achieved 96.8F by pre-heating, and crotching it for a little over an hour.

I'm going to try it again, just to make sure I have this down.

NGC1300 Reviewed by NGC1300 on 12-28-2010. Is 91F too cold? I achieved a little over 91F by crotching the bottle for about 45 minutes. Is this too cold? Next I will try pre-heating the bottle and crotching it longer. Rating: 5