BeerSmith Software > BeerSmith 2 Questions

When to check the, "Adjust mash for dead space volume" box?

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Hibs06:
I have a gallon of dead space under my mash tun false bottom.  This gallon of dead space does get fully drained by my pickup tub once I'm done mashing and I've fly sparged into my boil kettle.  My question is, do you normally check the "adjust mash for dead space volume" only if the space would not be picked up by your pickup tube?  Since my gallon is picked up, should I not check this box?  I notice that if I uncheck it, it takes that gallon out of my mash tun calculation and adds it to my hot liquor tank for sparging.

glienhard:
To me, and the way I use it, the dead space volume is any dead space (or unpicked up volume) that stays in the mash ton after you are done sparging.  Since your pickup tube will draw off all the volume, I would not call it dead space.  Therefore I would leave that box unchecked.

Cheers!

ghwren:
The problem arises when calculating grain to water ratio. Only the volume above the false bottom is used. However, when calculating strike temperature, the entire volume is used or your strike temp will be too high. It would be nice to have an extra button that allows the total volume to be utilized for strike calculations as well as the dead space button which is an efficiency calculation.

Hibs06:
Cheers for that!


--- Quote from: glienhard on January 10, 2012, 10:30:56 PM ---To me, and the way I use it, the dead space volume is any dead space (or unpicked up volume) that stays in the mash ton after you are done sparging.  Since your pickup tube will draw off all the volume, I would not call it dead space.  Therefore I would leave that box unchecked.

Cheers!

--- End quote ---

BeerSmith:
Hi,
  Yes - this one is on my "to-do" list - several people have requested this change.

Brad

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