2.25 # of lactose in a 5 gallon batch?

Jaybird said:

So I had a customer come into my store today and he had his recipe in hand that he got off the net. It is a stout of some kind using a bunch of lactose 2 1/4# of the stuff in a 5 gallon batch to be exact and an irish ale yeast. I have never seen a recipe call for that much lactose in a 5 gallon batch. He bought it anyway and out the door he went. I am building him a false bottom so I will see him again before he brews his beer. Wondering if anyone can shed some light for me on that much lactose in a beer?
Cheers
Jay

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Hermit said:

You might ask him where he got it from and double check the recipe to see if he even got it right.

Did a quick google and see 2.5 lbs or lots of things in stouts, but none is lactose. Is it possible he thinks it is fermentable and will give an alcohol boost if he adds more than the recipe calls for?

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thataintchicken said:

thinking about it... I could see a 10 gallon batch with that amount of lactose.
Curious if there was some math mistake somewhere.

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Jaybird said:

Thanks guys

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