The light tan substance is probably just the crusted foam from the "krauzening" of the yeast. This is fine and shouldn't hurt it at all. If there are bubbles still rising, then it is still fermenting. If the gravity has dropped to where you want it (1.000) then rack off the sediment into another carboy and fix an airlock. If you keep it on the sediment, it will go even dryer, and might not be what you're looking for. The lactose is supposed to sweeten it up a little more, but it's not going to have a whole lot of apple flavor. Also, go easy on the raspberry. That stuff can make your cider very tart, and there's no going back. Taste it alot, then stop when you get what you like.
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On Deck - IPA, Lost Elm Rye Pale Ale
Fermenting - Lost Elm ESB
On Tap - Lost Elm Rye Pale Ale, Lost Elm ESB with Honey
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