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Mash Details Tab

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The mash details tab is used to display details of the mash steps used for all-grain and partial mash brewers.  It is disabled (greyed) for extract brewers as well as mead, wine and cider since they do not mash.

 

In the top half of the display you can select your mash profile, adjust your mash profile to match your equipment and edit the mash steps.  To the right is the mash profile displayed graphically, and below the mash profile you have the sparge step and volume displayed.

 

In the middle section  half you can adjust starting conditions for your mash (grain and mash tun temperature), take a look at the estimated volume needed to support your mash profile (and compare it to your tun volume!) in the mash volume needed section.  In the sparge/later section you can adjust the sparge temperature and look at estimates for your post-mash gravity, mash efficiency and estimated pre-boil volume.

 

The bottom of the mash tab includes built in tools for estimating mash pH based on the grain bill and water profile.  It also includes a new section for adjusting your mash pH using lactic acid, phosphoric acid or acid malt.  The mash pH estimating and adjustment is based on the work of D. Mark Riffe (and others) and follows closely along a series of papers he published on his blog here comparing various mash pH calculators.  While the calculations are involved, it does provide a good estimate of mash pH as well as pH adjustment.

 

Currently only lactic acid, phosphoric acid and acid malt are supported as mash pH additions.  You can add those ingredients in the box bottom left, and it will show the adjusted mash pH after those additions.

 
In addition you can make a final mash pH adjustment in the section bottom right.  Here you can take an actual measured mash pH and then calculate the amount of acid needed to reach your target pH.

 

To use the mash pH estimation it is critical that you have a water profile selected as part of the ingredient list for the beer.  Note that the pH estimate is only "an estimate" and we still strongly recommend measuring and adjusting your mash pH.

 

Note: The mash efficiency is not the same as the brewhouse efficiency - brewhouse efficiency includes all losses between mashing and the fermenter while mash efficiency includes only losses in the mash process itself

 

Online Articles: Infusion Mashing, Mash Steps for All Grain, Partial Mashing, Decoction Mashing, Infusion Mashing and Decoction, Batch Sparging Guide, Brew in a Bag Techniques, Brew in a Bag Podcast

 

Displaying the Mash Details Tab

oOpen a recipe by double clicking on it
oClick on the Mash Details tab a the top of the recipe window to view/edit your recipe mash details