The Brew Bag Blog — fabric for a brew bag

Brew In A Bag Video Series by The Brew Bag founder Rex Slagel

BIAB brew in a bag fabric for a brew bag grain crush hop spider how to brew Insulation lost temperature brew in a bag making a brew bag making beer mash no sparge sparge sparging stuck sparge The Brew Bag voile water to grain ratio wort filter

Brew In A Bag Video Series by The Brew Bag founder Rex Slagel

We've seen a good many videos showing how to use a fabric filter to brew in a bag, but there aren't any that detail why this works so well. Here you'll find a bit of science along with some practical information to make great beer in about 3.5 hours using minimal equipment. 

Read more →


Homebrew Academy review of the The Brew Bag®

BIAB brew in a bag brew in a bag bags double mill grain fabric for a brew bag home brewing how to brew making a brew bag mash sparging stuck sparge The Brew Bag voile wort filter

Homebrew Academy review of the The Brew Bag®

Todd Hamm took our Round Cooler Bag for a test drive. You can see his video here. 

Read more →


Moving Sugar Water - Filter vs Pickup

American Homebrer's Association BIAB fabric for a brew bag fly sparging home brewing Homebrew Finds making a brew bag no sparge stuck sparge The Brew Bag The Brewing Network water to grain ratio wort

Conversion and MIlling Converting starch to sugar is a complicated molecular process but as brewers we witness the simplicity of that process by milling grain, mixing in hot water and waiting for the magic to happen. Depending on your process, sixty to one-hundred-twenty minutes later we have wort (sugar water).  Milling the grain breaks it up so the hot water can kick the enzymes (on the outer layer of the seed) into action and convert the endosperm (starch) into fermentable sugar. This process is known as conversion (literally converting starch to sugar through molecular action) and depending on the mix...

Read more →


Flame On - Brew In A Bag best brewing practice - or - is adjusting temp mid-mash a good idea?

BIAB brew in a bag fabric for a brew bag flame on brew in a bag lost temperature brew in a bag polyester fabric The Brew Bag wort filter

I used to be the guy that chased exact temp mashing. As a home brewer does the final product benefit to any noticeable degree from being mashed at any constant temperature for the entirety of the mash? Does kettle mashing have any drawbacks compared to cooler mashing? Based on conversion facts what do we need to do to make good beer? It is a proven fact that when mashing grain, 90% of the conversion from starch to sugar occurs within the first forty-five minutes. For the non-scientific heat transfer explanation it is also proven that the mash insulates itself and...

Read more →


HomeBrew Finds Reviews The Brew Bag -

BIAB brew in a bag Chris NIchols fabric for a brew bag Homebrew Finds no sparge The Brew Bag The Brewing Network voile

I’ve done quite a bit of BIAB brewing.  I’ve used a few different types of bags.  Having used The Brew Bag for a while, I can tell you that it’s the highest quality bag I’ve used.  It is purposed designed, by a homebrewer, for homebrewing and that shows.  From the reinforced seams to the handles to the availability of a number of sizes to the quality of the fabric.  I can wholeheartedly recommend the Brew Bag for BIAB brewing.

Read more →