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Wood/Casks / Re: When do you RETIRE a barrel or solera?
« on: June 16, 2013, 02:04:42 PM »Glutamic acid is an amino acid. MSG (monosodium glutamate) is a sodium salt of glutamic acid. I believe that the addition of calcium sulfate is effective to reduce soy salt flavor because the calcium binds the glutamate/glutamic acid.Nice to hear some chemistry of this vector. I make additions of calcium sulfate to my water
when I adjust the water chemistry for brewing.....fingers crossed I never get those flavors.


airlock sniffer.