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Old 12-09-2008, 06:02 PM   #1
slim chillingsworth
Feb 2008
Austin Tx
Posts: 313
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has anyone worked out a formula for exact phosphoric acid addition based on pH? i tried converting Noonan's from New Brewing Lager beer, but got lost in the math after realizing that he calculates for an 80% phosphoric acid solution compared to the 10% available most places.
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Old 12-09-2008, 06:18 PM   #2
conpewter's Avatar
Nov 2007
East Dundee, Illinois
Posts: 5,109
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I have some phosphoric and plan to do this on my next lighter brew still looking up the calculations myself, I ran into the same 80% issue, but we should just be able to add 8 times as much 10% solution I'd imagine.
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