This is placed at the opening of the carboy, and your air lock will be placed on the stopper. Now the stoppers may come in different sizes as well, and choose depending on the size of the carboy. The airlock. This implement is used in conjunction with the carboy stopper. Now there are two types of locks that you can use. The quality of advice and the ingredients has improved dramatically. Years ago, the materials involved in home brewing are a can of Blue Ribbon malt extract, a 10 gallon ceramic crock, and a pile of Fleischmann's bread yeast. Now, home brewers can purchase Coopers Beers kits, which are relatively cheaper and more unwieldy than earlier beer home brewing kits. Well, you don't have to worry since there are also home brewing sites online where you can order supplies and discuss information about home brewing. 3. Get your home brewing kit and beer bottles Home brewing will require you to have some supplies as you go with the process, so it is best to buy these equipments from a reputable home brewing store. If you are going to store the bottles of beers for an extended period of time then that is the appropriate motivation for buying the absorbing bottle caps. How do you fill the beer bottles? There is a science as well in filling beer bottles. And normally you don't need to fill it up to the brim. Leave a good amount of air to allow carbonation. Now if you are ready for these kinds of grains, then consider knowing your specialty grains. These grains are the choice of advanced brewers if they feel the need to add some color, spice and taste to the alcoholic drink. Now there are five major types of these grains. Know them before using them. The black malt. It should be noted that the costs associated with home brewing can be categorized into two. The first cost can be attributed to the ingredients and the second one on the equipments that will be used for this hobby. For starters, you can start with home brewing equipments that can cost around $90. The set can include the most basic equipments.