H2O - dihydrogen oxide, hydrogen hydroxide. Comprises over 90% of most beers. Termed "liquor" when used in the brewing process.

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Should I test my water?

A buddy and I have brewed a few batches of beer and they tend to have similar flavors when we're done. Could this be attributed to the water? What are some tests you would recommend doing to ensure ...
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What styles should encourage me to learn water chemistry

I've been brewing all-grain batches for some time. With my water source, I'm generally getting good results across multiple styles. To date, I haven't done much with water chemistry. Which styles ...
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Do you filter water, or just use tap water?

Back when I started homebrewing, I used a Pur filter. I've since moved and my kitchen sink won't accept any sort of filter. I've brewed a few batches with just Fairfax County, VA tap water, and not ...
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Parts per million

How do you calculate parts per million (or billion) from grams and volume? I ask this in relation to figureing out how to translate water report information into the recommended ranges of certain ...
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Amount of Water to Boil for Wort

If I'm making a 5 gallon batch of beer, how much water should I use for my wort? Papazian's book says to use 1.5g and add it to 3.5g of room temperature water already in the carboy. I see how this ...