Displacement question?

Jtd6628 said:

I have a 16 qt brew pot and want to minimize the amount of extract I use and maximize the amount of grain. I have the information I need to convert whole grain recipes to partial mashes and plan on mashing in my 16 qt. brew pot the limiting factor that comes into to play is I do not know the maximum pounds of grain I can hold in my pot while still using 1.75 qt of water per pound during the mash? Maybe some experienced brewers can help me out.

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annasdadhockey said:

Each lb of grain displaces roughly .32 Qt of water.

Vmash= Mgrains(Ratio of h2o/grain + .32)
16 = Mgrains(1.75 + .32)
16/2.07=Mgrains
7.75 +/- lbs of grain can be mashed in your 16 qt kettle at 1.75 qt/lb

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