Originally Posted by trv
how long should I let it sit in the keg
Just long enough for it to carb up. Then commence to drinkin'. If you're going to cold crash the secondary, you'll be racking it cold into the keg. IF you really want to enjoy your brew sooner, crank the regulator up to 30psi and hold that on the keg for about 24 hours. After 24 hours, reduce to serving pressure and enjoy. In my experience, this should get you very close to a good pour. If it is still a touch flat, give it another 12 hours at 30.