Filtered beer

Filtered beer refers to any ale, lager, or fermented malt beverage in which the sediment left over from the brewing process has been removed.

Modern filtration, introduced at the end of the 19th century, uses a mechanical process that can remove all sediment, including yeast, as well as natural carbonation, from the beer.

[1] In the United Kingdom, a beer which has been filtered in the brewery is known as "brewery-conditioned", as opposed to unfiltered bottle-conditioned and cask ales.

The sheets are manufactured to allow only particles smaller than a given size through, and the brewer is free to choose how finely to filter the beer.

][8][9] A "bright beer" is one which has been left (usually in a conditioning or lagering tank) to allow its yeast to settle to the bottom.

[10] Finings {such as silca gel, diatomaceous earth, isinglass, Irish moss, PVPP, and seaweed[11]) may be introduced to induce it to "drop bright" more readily.