Questions tagged [lactobacillus]

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1answer
62 views

Measuring alcohol when using ginger bug

I have recently started to get my feet wet by making some ginger beers using a ginger bug to start the fermentation. I would like to know the alcohol content of my final product, but as the ginger ...
1
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2answers
73 views

How essential is a starter for brewing with Lactobacillus?

I'm going to be tackling this recipe for my first attempt at a kettle sour. In the notes, it goes over procedures to make a starter. Researching I've come across sources that say you should have a ...
2
votes
1answer
206 views

What are the impacts of mashing with a low pH?

The general consensus seems to be that a mash pH of 5.2-5.6 is desired. Beersmith even says it's the difference between a good beer and a truly great one. Most mention trouble with too high of a pH, ...
3
votes
1answer
402 views

Cotton looking mold on my sour

This is the second time I'm doing a no-boil, fast lacto sour. I had nearly 3 lbs of grain (with about 9% acid malt) for a 1 gallon batch. I did BIAB for 1 hour and put right into a fermenter. I let it ...
4
votes
2answers
1k views

Will Potassium Metabisulfite prevent store-bought Grape Juice from fermenting?

There's a store-bought grape juice that I'm interested in lacto-fermenting (i.e. no yeast, only bacteria, anaerobic ferment, etc) but I recently discovered Potassium Metabisulfite is added to "enhance ...
1
vote
1answer
118 views

Kettle souring with lactobacillus - hot plate?

Researching a Berliner weisse and have decided that I will be doing a kettle sour. Lactobacillus likes to be around 45°C from what I have read so far. Currently my thinking is to transfer the kettle ...
3
votes
3answers
2k views

Why does my lactobacillus batch smell so bad?

I'm getting to be a fairly experienced brewer now but this is my first experiment with sours. I read about using lactobacillus from yoghurt so I thought I'd give it a bash. The process so far... ...
1
vote
3answers
393 views

Is juiced Ginger root fermentable?

I occasionally use a juicer to make Ginger root juice (which is quite strong) but lately I've also considered lacto-fermenting this juice. Which leads me to my question:How fermentable is juiced ...
1
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2answers
4k views

Which lactic acid bacteria are Homofermentative (or Heterofermentative)

I’m in the process of creating a custom culture, made of lactic acid bacteria, for a artisan yogurt drink and am having a hard time finding information on the metabolic categories of each strain. I ...
1
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1answer
99 views

How does Lacto effect apperance?

Reading a Wikipedia article on Lacto yogurt cultures I notice a reference to beer. In a general statement they claim "lactic acid bacteria can contribute to the overall appearance, aroma, taste, and/...
1
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1answer
4k views

Is this lactobacillus?

My last batch had a thin whitish 'membrane' on top of it and some white spots, visible on the picture bellow. I think I saw something similar on a blog a while ago, attributed to a lactobacilus ...
3
votes
4answers
10k views

What is the ginger bug, actually?

Recipes for spontaneous (wild) ginger ale sometimes refer to the starter as the "ginger bug". What is the ginger bug? Is it just an ordinary lactobacillus; is it a type of yeast? Is it something that ...
2
votes
1answer
207 views

Berliner Weisse on Sierra Mist syrup?

I have a Berliner Weisse going, the yeast out-paced the lacto (WLP 630). fermentation happened quick (1.030 O.G.) maybe a day. Due to a busy schedule and lazyness it sat on the yeast for 6 weeks, and ...