Mon Jan 19, 2015 12:03 pm
How big of a starter have you built up the dregs in? 2.5 gallons is not a very big batch so I would think that if you have them built up into a 1 L starter you should be fine. I would suggest not pitching the saccharomyces as they will quickly eat the sugars in your wort and not allow it to sour as fast as it could. If your pitch is small, then you might consider pitching a vial or pack of brett (B, L, or trois) along with your dregs to ensure a proper fermentation.
Either way you decide, be sure to mash high (158F) if all grain, and I would avoid aerating the beer to keep your bacteria happy. Be patient and give it time to do its thing.
"A bad man is a good man's job, while a good man is a bad man's teacher."