4 votes
Accepted

Anybody know what KM is?

Based on the little bit of context I'm going to guess this is an odd/inaccurate shorthand for potassium metabisulfate. Although the real shorthand is K₂S₂O₅ they're likely using k to represent ...
rob's user avatar
  • 1,783
4 votes
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Can you add additions to the primary?

If you don't have a secondary then, feel free to add them to your primary. You don't really have to worry much about making additions in your primary, I have done it many times in the past when I ...
Mr_road's user avatar
  • 7,048
2 votes
Accepted

Can I add too much opti-red?

Opti-red, is a yeast derived mix of polysacchrides, which are designed to bind to polyphenols/tannis and provide fuller body and better colour stability. I would not add more than the recommended ...
Mr_road's user avatar
  • 7,048
2 votes

Can you add additions to the primary?

I agree with previous answers: if you have no secondary, there's nothing wrong with chucking whatever you want to add into the primary. However, if your additions are highly aromatic, you may want to ...
Frank van Wensveen's user avatar
2 votes
Accepted

Do sugar alcohols count against yeast alcohol tolerance?

Short answers No and No. Although erythritol is an alcohol it does not count against the 'alcohol' tolerance of yeast. When we speak of the alcohol tolerance we are not strictly speaking about all ...
Mr_road's user avatar
  • 7,048
2 votes

Sanitizing additives (herbs)

Make a tea with the herbs and use the tea to dose. You can pre-taste this and dose as needed, and the steeping process (~180F) will pasteurize the herbs. You can also filter out the herbs this way to ...
rob's user avatar
  • 1,783
1 vote

Sanitizing additives (herbs)

I would only do 2. Soaking in high percentage alcohol and adding the solution to the fermenter - but I’m worried of having a flavor of a strong alcohol. I have done this by using vodka, which is 40% ...
Patrick Popovich's user avatar
1 vote

Are campden tablets necessary?

Campden (or rather sodium meta-bisulphite, which is its active ingredient) serves multiple purposes in wine making. It removes chloramine from municipal tap water, but in your case that is unnecessary ...
Frank van Wensveen's user avatar
1 vote

Can you add additions to the primary?

yes, go right ahead, that's what I did and it worked out fine.
bigbadmouse's user avatar
1 vote

When exactly is 'first' punchdown?

Punchdown refers to the action of pushing down the cap. The cap is formed during maceration by the pomace (the solids) that rise to the surface. Normally punching down the cap twice a day allows the ...
Philippe's user avatar
  • 4,806
1 vote

How much potassium sorbate is needed to prevent yeast from multiplying?

I think it would depend on how much yeast was pitched, but the general consensus is that a 1/2 teaspoon per gallon of wine is enough to halt fermentation. So for liters it would be a little more than ...
Mennyg's user avatar
  • 131

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