I pitched a 3 gallon batch onto a yeast cake from a 5 gallon batch and in 5 days the fg was on target. also can i just throw another batch right on top of that yeast cake when i rack it off? How many times can i do this?
You can do it over and over. 5X is about the time some people stay the yeast can start to mutate, but you'll find people on here who do it 10X with no flavor issues.
This is something that I am interested in looking into at some point but I don't brew enough to warrant messing with it. Also I only have enough equipment to have two batches at a time.
Here is what I am curious to know. If you buy a vial of white lab yeast, couldn't you "grow" it somehow and then make several vials to pop into the fridge for later use?
I don't know how long that would keep in the fridge, but that could potentially be a big money saver.
i didnt wash it i just poured the new wort straight on the cake. the gravity sample tasted good too lol. it a very pale ale and also my first brew using Citra hops
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