Sailor (or others) - based on my experience with the primer, and some comments by Francois, among others, I'm going to try for a slightly higher primer pH than I got last time, shooting for 5.0 at pitching into the vat. One of the things I'm wondering is if you, or anyone else, knows the effective, continued activity, moving from the primer inoculation to the chilled primer, where activity is effectively slowed to a standstill? In other words, presuming a 4.5 "warm" pH, then chilling - in the time it takes to chill the primer, LAB are still working, though increasingly at a slower rate. Any data on the difference? I plan on measuring, anyway, but if someone has a previous data point to give a loose guide, I'll use that to work from.
I'm seeking 5.0, and will chill at 5.2, as a starting point. If this seems reasonable, great.