This is a huge mesh bag with a drawstring. Perfect for use as a low cost all-grain system. Brew-in-a-Bag! Easy all grain brewing? BIAB (Brew in a bag) is all grain brewing. Although a shortcut on parts and labour it does produce the same end result. Delicious beer. Most people will prefer to increase the grain bill to compensate for not rinsing the grains after the mash.
