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Beer and Water Filtering

Commercial breweries filter beer to improve the clarity and flavour. Having a filtering system is a good option for home brewers who want to create a clear, smooth beer, without the use of additives. There are many reasons why filtering beer is very important. Home brewers who want to create artisanal beer use a filtration system to remove tannins, yeasts, and large proteins that may contribute to the haziness of the liquid as well as off flavours. Good filtration systems can remove particles that are as small as one micron so the end product has a cleaner flavour and better clarity.

Installing a filter to the home brewing station is crucial for most home brewers. When choosing a filter, it is important to consider the size. The filter should be fine enough in order to filter the yeast cells and tannins, but should be large enough so that the beer retains its desired and intended flavour. Filters that are around one (1) micron are adequate for most home brewers. Another factor when choosing a filter is to determine how fast it will clog. Most efficient filters come with a two-stage filter wherein the liquid is filtered in two levels of differently-sized mesh. (more info below)
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Many households choose to filter their water before using it for drinking or cooking. The reasons they do so are the same reasons you should consider filtering your water before using it to brew. Depending on where your water source is coming from it may contain chlorine, which could contribute to off flavours in your beer. Some water may contain high levels of iron or a pH that is not suitable for the beer you are brewing. Using a good water filtration system before brewing does help to eliminate problems associated with using tap water.

There are different types of filters that are available for home brewers but the most popular are inline canisters with replaceable filter elements. These filters are very inexpensive and work well with almost all quality filter cartridges.

When filtering the beer, allow it to completely ferment so that it can develop its flavour well. Let it sit for at least two to three weeks for the secondary fermentation to take place before moving it to another keg.

Here at Ontario Beer Kegs, we have a wide variety of filters. Home brewers can opt for our beer filtering kit or the carbon filter cartridge. We also have accessories for the filter system which include funnel, filter housing, and air filter.