Silver_Is_Money
Larry Sayre, Developer of 'Mash Made Easy'
It is often stated that better efficiency is achieved if mash and sparge run-off volumes are equivalent. Calculating that equivalence is the object of this linked spreadsheet.
Download at the Google Drive link seen below (by pressing the "down arrow" seen next to the printer icon in the upper right hand corner) and then launch and run in Excel or LibreOffice Calc.
https://drive.google.com/file/d/1iGcK14V4dnO4-2VEakZXPm6JbGaYfSJC/view?usp=sharing
Download at the Google Drive link seen below (by pressing the "down arrow" seen next to the printer icon in the upper right hand corner) and then launch and run in Excel or LibreOffice Calc.
https://drive.google.com/file/d/1iGcK14V4dnO4-2VEakZXPm6JbGaYfSJC/view?usp=sharing