I figured that I would give a simple break down on all grain home brewing for those of you who have been doing extract brewing for a while and are considering making the change but want some basic information on what you are in for before you do.
So what is the difference between extract brewing and all grain brewing? With extract brewing, the home brewer bypasses the mashing process and instead uses either concentrated dried malt extract (DME) or liquid malt extract (LME) to brew his or her beer. This greatly lowers the complexity of the home brewing process since the brewer does not need to worry about water pH levels, mash conversion temperatures, water profile composition, sparging, lautering or things like tannin extraction problems. Also, the extract home brewing takes far less time and equipment than all grain home brewing. With all grain brewing, you do not utilize any forms of malt extracts and instead convert all of the sugars yourself from grain starches and adjuncts. With all grain home brewing it is important to check your gravity readings throughout the brewing process to make sure that you are not extracting too much or two little sugar. You are also in charge of the type of sugars that are created during the mashing process. If your mash temperature is a few degrees to high your beer may come out very sweet, if it is a few degrees to low you may end up with a very dry beer. Mastering all grain brewing is all about understanding the process, tailoring the process to the style of beer you are brewing and being as exact as possible.
So what equipment will you need to do all grain home brewing that you do not need for extract brewing? Unless you are going to go the brew in a bag route, you are probably going to want 3 kettles and or combinations of 3 kettles \ coolers. One will be your Hot Liquor Tank (HLT) which will allow you to quickly modify the temperature of your mash during the different steps of the starch conversion process. The second is your Mash Tun which is where you will place your grains and convert the starches to sugars. A mash tun typically uses a false bottom which allows the wort to pass through it during the lautering and mash out process but restricts the grain husks from being transferred to the boil kettle. If you will be conducting a fly sparging process, which many home brewers do in order to boost your efficiency of extracting the sugars from your grains, you will also need to purchase a sparge arm. Lastly you will need a boil kettle that has a sufficient volume for the quantity of wort that you will be boiling. Aside from that, the equipment is very similar to what you would use during the extract home brewing process.
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Home Brewing Stands, Brewing Racks, Brew Sculptures and All Grain Starter Kits