headspace in kettles?

myguitarishot said:

So i'm thinking of upgrading my system. Currently, 5 gal igloo cooler (round) for hot liquor tank, 15 gal igloo cooler (square) for mash tun, and a keggle for kettle. I'd like to just get 3 stainless steel pots, but i'm curious...if i were to buy say, 25 gallon vessels, would there be a quality issue when i only did 5 gallon batches? I want to be able to brew whatever size and scale tickles my fancy, but not at the expense of my staple 5 gallon batches.

any advice would be appreciated.[/QUOt
You don't need but one, 25 gallon pot, you would use that for the boil kettle, you can use the keggle for the hot liquor tank and your 60 quart cooler for the mash tun, of course you will need 2 burners, one for the boiler and one for the hot liquor tank,do a batch sparge and you are ready.

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oakbarn said:

One problem with some bigger pots is there is more loss due to pot size and the placement of the outlet than what you have we have a 2o gallon pot and we lose about 1/2 gal for that pot. We have a 45 gallon mash tun and lose about a gallon of wort (which we could reduce if needed by tipping)

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