No bubbles in the airlock ?
TSK, TSK...you mean to tell me that despite the fact that your HYDROMETER, you think something is wrong because your stoopid airlock isn't bubbling???
You're ignoring the TRUE ACTIVITY, the decrease in gravity, for the superficial.
Your airlock is not a fermentation gauge, it is a VALVE to release excess co2.
If your airlock was bubbling and stopped---It doesn't mean fermentation has stopped.
If you airlock isn't bubbling, it doesn't mean your fermentation hasn't started....
If your airlock starts bubbling, it really doesn't matter.
If your airlock NEVER bubbles, it doesn't mean anything is wrong or right.
Fermentation is not always "dynamic," just because you don't SEE anything happening, doesn't mean that any-thing's wrong,, and also doesn't mean that the yeast are still not working diligently away, doing what they've been doing for over 4,000 years..
You'll be much happier if you get out of that habit...you will find that fermentations rarely don't take off, or just Stop...In fact I've never had a beer not ferment. BUT half of my fermentations, spread out across 9 different fermenters, never blip once in the airlock.
So go with the hydrometer and not anything faulty like an airlock. It bubbles, or it doesn't bubble, and it doesn't really mean anything.
(How's that tipsy?
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