Generating CO2 for an Aquarium with Yeast. - Homebrew Talk
You can harvest the yeast before the alcohol content gets too high and kills it. Then repitch (with added nutrients) into a new batch. You may have to use 2 bottles, one active, the other for sedimentation/yeast harvesting. Yeast mass also grows, so you could reuse the extra for additional or larger tanks, baking, etc.

Comprehensive Guide to Yeast Storage and Starter Culture for ...
The yeast should be incubated for about 24-36 hours, under continuous or periodic agitation, and your starter culture will be ready! But what about yeast storage, as mentioned earlier? In the lab where I work, a commonly used technique is the Castellani method (storing a piece of culture medium with water in a sealed glass tube).

Dry Kolsch Yeast Recommendations - Homebrew Talk
After switching to LalBrew Premium Kolsch Style Ale dry yeast from White Labs - WLP029 - German/Kölsch liquid yeast, I will never go back. LalBrew ferments clean and, better yet, clears faster after cold crashing than WLP-029. I also use it with Pale and Amber Ale recipes as well.

How Many Cells in a Yeast Slurry. Anyone Use This Method?
So I wandered headfirst into a rabbit hole today with the help of Google Search. The quest was for a simple answer as to methods for estimating yeast cell counts in a slurry derived from an over-built starter. That number is almost always the entering argument for any of the many yeast pitch...

How long will dry yeast last in the fridge? - Homebrew Talk
Maybe dry yeast will last for 50 years if unopened in a tight vacuum sealed or nitrogen filled packet (who knows how long). After opening, I have found that it does degrade over time, maybe only lasts 12-18 months after opening before it really loses significant viability.

When to determine if adding yeast nutrient to yeast is necessary ...
Adding yeast nutrient to yeast is necessary when working with low-nutrient worts or high-gravity fermentations to promote healthy yeast growth, fermentation efficiency, and flavor development in the final product.

NEW!!: Safale W-68 Dry Yeast - Homebrew Talk
Amazon Grocery, Active Dry Yeast, 0.75 Oz, 3 Ct Craft A Brew - Safale W-68 Dry Yeast - Fermentis - German Wheat Beer Dry Yeast - For German, Belgian & Other Wheat Beer Styles - Ingredients for Home Brewing - Beer Making Supplies - 1 Pack Hobby Homebrew Pop Cultures FOOD FERMENTATION SCREEN Fits in Mouth of 1 Gallon Mason Jars PCH001, grey

Adding yeast when bottling, if so, when, how much, what container?
The yeast, either what was left or what you added, can't ferment sugar that isn't there. If all the fermentable sugar got used up in the primary and secondary, then the carbonation level will depend only on how much sugar was added at bottling.

Yeast: phases, and pitching practices. - Homebrew Talk
The yeast very much prefer the primary pathway because it produces energy and does not produce ethanol, which is poisonous to yeast. However, eventually the oxygen in the wort is depleted and/or the supply of NAD+ has been used, and the yeast decide to use this secondary pathway which FREES NAD+ for use in the primary pathway.

Fleischmann's Yeast - Homebrew Talk
I am doing a throwback dandelion wine from the Foxfire books, so I used Fleischmann's to keep it kitchy. So far, it's been 11 days and no sulphury smells, I've just been swirling it about twice daily (1 gal in 5 gal bucket, no airlock, just loose lid) I've used Fleishmann's for mead (per...