[RPIScotty]

My town water is composed of a 90/10 split between Lake Ontario and Lake Otisco water, as quoted by my municipality.

As such, my AWQR lists the average mineral value for each source.

When I originally inputted my profile, I summed these individual contributions and inputted them. Example:

     Lake Ontario -> Calcium - 33.5 mg/l
     Lake Otisco -> Calcium - 43.5 mg/l

     (33.5*0.9)+(43.5*0.1) = 34.5 mg/l

I then repeated this for all pertinent minerals.

Is this a legitimate way to input to Bru'n Water? I haven't had issues with being far off on predictions, but....


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[stpug]

The "Donate" version of Bru'N has the option of using different percentages of water sources, I believe

Edit: Sorry. That doesn't help answer your question, but I thought it might be helpful. Your method of weighting each water source seems reasonable to me.

[kramerog]

While weighted averages may not be accurate of the mixed water due to reactions before mashing, I don't think it matters for Bru'n water because it will figure out the end result in the mash.