Quote:
Originally Posted by contrabrew
Its kicked on this morning. I am business now have a nice layer of foam and can see activity will check gravity tomorrow. But it's not dormant any more
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Likely you just had low viability of the yeast, or you under pitched. The yeast just took several days to reproduce and build up an army big enough to take on your brew.
next time (if you are fermenting in glass), shine a flash light into the wort and look for little particulates in suspension, possibly floating upward and into suspension - that is the the yeast getting ready to rock. If you are in an opaque bottle you don't have that luxury.
In the future:
1. Try waiting about 5 days before getting worried.
2. Keep your temp at 68-72F or so until you see signs of fermentation.
3. Start learning about appropriate pitch rates.
If I were you I would leave your ferment alone and not check the gravity until it is done fermenting (krasuen falls, etc.). the more you touch it, the more chance you risk infecting your batch.
Good luck!