Bru,n water question

Finally trying to get my head around water chemistry after a decade.  Playing with Martin’s program and have a quick question. I batch Sparge. Are usually start at 8.5 gallons pre-boil volume for my IPA. Typically strike with 6 gallons. I try to get out about 4.25 gallons. While I am mashing I heat about 5gal of sparge water,  and then just adjust depending on how much I get out of my first runnings. Sometimes I pour off a gallon and sparge with 4g, sometimes 4.25g, depending on my first runnings volume.  So the question is, on the water adjustments page I would put mash volume of 6g, but would I then put Sparge volume of 5g and do the additions with the whole 5 gallons even knowing I would possibly only use 4 gallons? Or does that throw off of the calculations?
Thanks.

That’s what I’d do.

Yep, I would adjust any water that is going to run through your grains.

+1.

+2

That’s what I did while batch sparging. I mostly no sparge now, but that was the system.

Cool, thanks. Yes I was really just wondering if the sparge water volume inputted and adjusted is greater than the amount used will that mess anything up in the calculations of the program.