Stein Beer (Stone Beer); The Process

So here’s how we started.  The wort had been done the day before and because of time constraints had been left overnight.  The next day it was, pardon the pun, stone cold.  So I got the rocks I was going to use and started heating them.

DSCF2026 This is my first of many rocks being used in the mix.  We built a good sized fire and placed them in amongst the coals.  The first three or four rocks brought the temperature from 60 to a nice simmer of about 170 degrees.  The process took a bit longer than anticipated.

DSCF2028  Because I had several size rocks I’ve come to the conclusion that if you’re going to do this process you need to start with a couple of large rocks at first.  Then to maintain temp over time you would use smaller rocks that just maintain the heat.

After several more rocks we finally got some response:

DSCF2034 DSCF2033 DSCF2032The rocks eventually caused a nice rolling boil to form at at this point I added Tetnanger hops (which I’ve grown myself) and held the temp up with a few additional rocks over a 1 hr time period.

The rocks heat also carmelizes the sugars and between the smokiness and the carmelization, you can probably expect a strong beer with a very robust body.  The rocks turn black when the carmelization starts on the outside.

DSCF2027

It’s important to use rocks that are harder and as non-porous as possible.  Sandstone or quarts are bad choices but this rock here was (I believe) a piece of basalt.  My stones were all ocean stones which have been on my woodstove for several years so all the moisture was drive out long ago.  It also makes for easier handling.  The side effects of a hot rock dropped into cool or cooler liquid can be explosive and fortunately we didn’t have any catastrophic results.  Although we did have some overworked rocks.

DSCF2035 DSCF2036 Notice the cracked pieces.  The lower one is the basalt piece and the upper one is the smooth granite ocean stone I had.  Also some of the smaller stones seemed to fracture easily also.

You can see the video at: http://s46.photobucket.com/user/KytheSz/media/DSCF2017.mp4.html

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One thought on “Stein Beer (Stone Beer); The Process

  1. Pingback: Viking beer stones tell a history of Brewing | Inn of Bards Rest

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