A foil cap does not do the same thing that an airlock does, not that I'm saying that an airlock is required, but an airlock creates a one way valve for gas to escape the carboy without being replaced with air from the native environment.
I hope that my LHBS has dry lager yeast...last time I...
Easy there sparky..It was my first lager.
I realized that I underpitched, and if I underpitched that badly then its probably not done. Unless by done you mean all the yeast is dead and causing bad flavors.
I'm assuming that I can take a hydrometer reading, and if its less than 1.050 then I...
So I started an Oktoberfest lager over a week ago.
I have it in a 5 gallon carboy, and used a blowoff hose at first. Pitched @ about 68 degrees. I know I underpitched, I only used one vial of WL830 German Lager Yeast. Placed in fridge @ 50 degrees (no temp controller so it fluctuates from 48...