Mbrew

Mbrew · User guide

Mash water

Check mash and sparge water needs before brewing.

macOS · iOS · iPadOS — Mac preview; iPhone and iPad in beta.

This page explains a tool in the Mbrew app. Perform the calculation in Mbrew; this website does not run the calculator.

App availability

What you enter

Malt quantity, water-to-grain ratio, volume

What you get

Estimated water needs

MacMash water: actual calculation interface
iPhoneiPhone · Mash water: actual calculation interface
Actual Mbrew calculator interfaces on Mac and iPhone, in the selected language.

How to use it

  1. In Mbrew, open Tools and select Mash water.
  2. Enter the following values using the units shown in the app: Malt quantity, water-to-grain ratio, volume.
  3. Review Estimated water needs, then compare the inputs and result with your batch plan.

Interpreting the result

Check grain mass, liquor-to-grist ratio, losses and target volumes. Grain temperature affects the estimated strike temperature; use the result as a plan and confirm actual temperatures and equipment losses.

Common questions

Can I calculate directly on this page?
No. Use the matching tool inside Mbrew. This page provides instructions and a screenshot.