The mash tun is a vessel in which hot water is mixed with the grains in order to extract the sugars from the grains. This procedure is referred to as mashing in home brewing. The grains then get lautered, or rinsed, with added water to maximize the amount of sugars extracted. All of this is done to boost the efficiency and make far better beer.
In commercial breweries, the mash tun and lauter tun are two separate pieces of equipment. For home brewing purposes, they are combined into 1 piece of equipment. The mash tun is usually a converted cooler. You can decide to buy a mash/lauter tun, but this is 1 of the most normal do it yourself projects in home brewing. Check out the home brewing forums on the net, and you can also Google and You Tube to locate step by step directions and videos showing you how to convert a cooler into a mash tun. This project is not that hard, and it is also low cost.
There are a large number of choices as far as what cooler you want to use, as properly as how to set it up. Chances are, you have an old cooler about the residence currently. Make confident to some study on recommendations of other home brewers to assure you select the perfect cooler. The debates are endless as far as what is the finest cooler to use for a tun. Different aspects apply such as size, shape, and what kind of strainer/filter you will use.
What kind of sparging you will do is also essential. Cooler is not so essential to batch sparging, but for fly sparging you will possibly want a round cooler. For people just finding started out with all grain home brewing. the normal question is how massive does the mash tun have to be? This will depend on your batch size, efficiency and desired OG. These all operate in conjunction to decide how considerably grain will be necessary for the batch, as properly as the amount of water to be implemented for mashing and sparging.
The cooler will require to be massive enough to hold all of this. A basic way to calculate for mash tun size necessary in quarts is (at 80% efficiency): (Desired OG X Batch Size)/17 = mash tun size. For example, 1.085 X 15 gallons is (85 X 15)/17=75 quart tun.
You could possibly want to think ahead when buying a cooler to convert. Chances are you will start with 5 gallon batches, but at some point you could possibly decide to attempt brewing a ten gallon batch. In order to do this, your mash tun have to be massive enough to hold all that water and grains. You can start with a cooler massive enough to manage the larger batches now, and still use it for the smaller sized batches till you are prepared to make the jump to the larger batches.
This way, you won't outgrow your tun. Plus, it will also let you to make greater gravity beers, which call for larger grain bills. Do not bother with a 5 gallon cooler given that it is too tiny and will limit the beers you can make. If you never ever plan on generating something larger than a 5 gallon batch, or generating greater gravity beers, then you can opt for 1, but then you will limit yourself.
The design of the tun is dependent upon the kind of sparging you will do. For batch sparging, tun design does not honestly element in. It is a lot more essential in fly sparging. Most brewers new to all grain home brewing will attempt batch sparging given that it is quicker and less complicated. Plus, a large number of consumers convert coolers they currently have, which usually will be a rectangular cooler. Be confident to study both strategies very first, to see which 1 might possibly be your preferred approach.
For most brewers, they merely modify a rectangular cooler and batch sparge. With just a few items from your nearby hardware retailer, you can make your own mash tun for dirt low cost. Some parts necessary involve a ball valve, water supply line, washers, teflon tape and barb adapters. Appear on line and you will locate step by step directions and video tutorial showing you how to do it, and what pieces of hardware you require to get the job done.
Besides the expense of the cooler, you will devote much less than $30 at the hardware retailer. You can even locate resources on line that have the vital parts with each other in a kit.
The thermal capacity of the cooler, how properly it is insulated and retains heat, is a different essential element. The cooler requirements to be able to hold a constant temperature for up to 90 minutes without losing too a large number of degrees, so a properly insulated cooler helps. Keep in mind, they are developed to keep factors cold, not warm. This is anything to be confident to study thoroughly on line home brewing forums to locate what knowledgeable home brewers have identified to operate finest for them.
For fly sparging, round coolers are more often than not the preferred selection. Fly sparging utilizes false bottoms for filters, and these generally come in round shapes. False bottoms evenly distribute the water over the grains, and help prevent channeling. Plus, the round shape of the cooler also helps prevent channeling.
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