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NB Liquid Wyeast Instructions Ambiguous

same procedure posted on all products and confusing as all hell. Can anyone decipher this statement. "A Few Days Before Brewing Day - Remove the liquid pack from the refrig and smack to activate. Incubate until pack begins to inflate. Allow at least 3 hours for inflation, etc… etc…

So the question is why is this step required 3 days before brewing when the instructions contrast in the same paragraph to say ‘allow at least 3 hours for inflation.’

Do I have to wait 3 days?
Can I use it after it has fully inflated after 3 hours?
The instructions are confusing.

Xamanek :cry:

It basically means to let the yeast warm to room temperature before breaking the nutrient pack. Covers homes of all temperatures.
Jot a note about how long it took for the yeast to warm and then inflate after smacking on your brew day notes sheet.
Just one of the details to have written down about the brew day to help for planning the next one.

I think they are telling you to smack it so early because they want you to see the pack is inflated, and therefore viable BEFORE you even start brewing. That way if you have a dud yeast, you can abort the brew until you get a replacement yeast. Once you brew, you need to get live yeast in the wort before something not-yeast starts growing in it.

Wyeast also prints a manufacture date on the pack. I’d suggest give it an hour to inflate for each week that’s past since manufacture. If you really want to walk on the wild side; you don’t actually have to smack them at all. That pack just has a little snack for the yeast to nom on; they eat the snack and fart the pack up; it’s just a gimmick that proves the yeast is alive.

The NB instructions are the fail-safe path to drinkable beer. Once you get a bead on their instructions, and start to learn more advanced techniques, you’ll find yourself using the instructions just for the kit inventory and hop schedule. For example, many regulars on the forum will say you need a “yeast starter” when using liquid yeasts for most of the 5-gal recipe kits. NB doesn’t even mention starters in their instructions. But go ahead and brew that that first batch without; you’ll be fine. Learn by brewing.

Thank You Both!
I will continue as planned. Learned a lot.

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