New answers tagged yeast-starters
I wouldn't be too concerned by it but just be sure to keep up with the gravity reading to check for real progress. That's the surefire way to make sure your beer is doing what it's supposed to. Airlock activity isn't the only sign.
Airlock activity is not the be-all end-all. You could have a bad seal on a bucket or on the airlock grommet itself. Give it a little time (3-4 days) then check the gravity. Gravity movement is really the only 100% reliable way to test if the yeast is working.
As the previous posters mention it sounds OK just a bit of a slow start. If after 48 hours you are still concerned, take a gravity reading and if it has not noticeably dropped, then re-pitch a new starter.
When a starter volume is referenced it's the volume of wort the yeast is allowed to grown in. Post boil volume etc. And should have a SG of 1.040 We can't tell you how much a proper pitch is in your case as more variables need to be known. Look for a Yeast Pitch Calculator software / website / app etc, they are all based on the same formulas, that will ...
Sounds like everything is doing fine. 8 hours of lag time isn't bad at all. Extra headspace has no effect on actual fermentation and little effect on air lock activity, though c02 does slightly fit in between molecules in air as it mixes, it's so small it's only a matter of note for novelty.
Fermentation needs lots of oxygen. What I usually do in my 10 l batch is to shake my fermentation vat to add more oxygen to the wort before pitching the yeat and put the air lock on the vat. I assume you started your yeast before pitching it. I once did not do that and sprinkled the dry yeats over the wort as per instructions on the package, however, it ...
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