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-   -   Starting amount of water? (http://www.homebrewtalk.com/f36/starting-amount-water-29375/)

ChefyTim 05-10-2007 10:11 AM

Starting amount of water?
I am looking at doing my first AG batch. I have 2-10 gallon coolers. One I have converted to a mash tun the other my hot liquor tank.

To make a 5 gallon batch of beer how much water to I need to start with (or sparge) in my kettle. I have a 9 gallon kettle.



zoebisch01 05-10-2007 11:37 AM

This depends on the grain amount in lbs. and the water to grain ratio that you are using in the mash. The grains absorb a certain amount of water, so you lose some there. Normally you'll want at least 5.5 gallons ready to go and to be on the safe side you could use a little more.

Glibbidy 05-10-2007 03:36 PM

11th Commandment:

40 oz. H2O to 1 pound of malt. At least that's what some guy told me once....

Got Trub? 05-10-2007 04:45 PM

It is all determined by the weight of your grain, the temperature at which you wish to mash and factors determined by your equipement and ambient temperature.

In general you will want between 1-1.5 quarts of water per pound of grain at about 170F to achieve a mash temp around 150F

Sparge with about 0.5 gal per pound of grain of around 175-180F water

The grain and your system will absorb/loose about 0.1-0.2 quarts of water

As every system and technique varies there are no hard numbers to give you. My advice is use a set of numbers from the above suggestions and have some boiling water and some cold water on hand so you can adjust your mash temp to where you want it.

Measure your volumes and temperatures carefully and write them down. The next time you brew you start "dialing" in your system by adjusting volumes and temperatures to achieve your goal. After several brewing sessions you will start to know what you need to do with your system - eg "1.3 quarts of 176F water to will achieve a mash temp of 153F"

Good luck, have fun and remember if your numbers are off some you still get beer!

Got Trub? 05-10-2007 04:48 PM

[QUOTE=Got Trub?]

The grain and your system will absorb/loose about 0.1-0.2 quarts of water


Sorry that should be 0.1-0.2 gallons of water per pound of grain - ie 10 lbs of grain will absorb 1 gallon of water

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