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3 votes
Accepted

Beer with Metabisulphite rinse

An interesting question. 1- metabisulphite is usually regarded as an oxygen scavenger and thus a preservative by virtue of inhibiting bacterial (and yeast) growth (but not so much the metabolism). ...
barking.pete's user avatar
  • 5,631
2 votes

Fermenting grape juice with Potassium Metabisulfite without adding anything

It is possible it could work, but you have to be pretty lucky. The chance of getting some local acetobacter or wild yeast that could survive and spoil the wine would be high. If you have a bunch of ...
Mr_road's user avatar
  • 7,048
2 votes

Beer with Metabisulphite rinse

1) Yes, it's true. It's not a sanitizer. 2) This is dry sodium or potassium as a by product after absorbing oxygen. Can give off flavors. 3) NO Metabisulfites (potassium and sodium) are not ...
Evil Zymurgist's user avatar
2 votes

Percentage of SO2 in Kedem grape juice

It is possible he is correct. The reason they have the message required for 10ppm is that probably the mean is 2-3ppm, but if something happens in manufacture that requires a large dosing then the ...
Mr_road's user avatar
  • 7,048
1 vote

Can I use sodium metabisulphite and potassium sorbate together before bottling?

Not only can you, but you should! Especially if you sweeten it. It effectively can kill all the life in a wine, which improves stability. On the other hand, if you want effervescence, or a small ...
Tripconey's user avatar
1 vote
Accepted

Is potassium metabisulfite necessary for sanitizing the fermentation bucket?

Sanitation is critical with each and every batch. Anyone can get lucky a few times. But eventually you will have problems if you don't properly sanitize your fermentation equipment. Metabisulfite ...
dmtaylor's user avatar
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1 vote
Accepted

Fermenting grape juice with Potassium Metabisulfite without adding anything

The chances of this working are about zero. It will eventually ferment, but the results will probably be bad. If you want to get yeast into the grape juice in a natural way, you can put a piece of ...
farmersteve's user avatar
  • 3,012
1 vote

Beer with Metabisulphite rinse

It's kind of a poor sanitizer in general with that concentration. It's not that it is bad for beer, it takes 5 minutes to sanitize. It will work, but you're going to have to be extra patient and ...
erds's user avatar
  • 31
1 vote

Beer with Metabisulphite rinse

Let me answer your questions... metabisulfites (potassium and sodium) in strong enough concentrations can be a very effective sanitizer. In stronger doses, potassium metabisulfite works well to ...
farmersteve's user avatar
  • 3,012

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