The Brew Bag® - a mash tun filter for Coolers - Round

Regular price $ 30.00

NO MORE STUCK SPARGES!!!  This filter maximizes the flow of wort. Just put The Brew Bag® in your cooler, add grain and strike temp water as usual. When the mash is done follow your normal sparging procedures and then open the spigot and drain into the boil kettle.

Features of The Brew Bag® for Coolers

  • Use again and again - NOT a throw away bag

  • 2" loops for lifting - either by hand or with a pulley and a hook

  • Holds over 100 pounds of grain

  • Smooth seams on the interior enable quick cleaning

  • All strapping intersections are reinforced with "X" stitching

  • 1" poly straps cover seams and bear the strain of grain - this bag will last and last

  • Hand wash and drip dry

 Additional Benefits of The Brew Bag® for Coolers

You can also use the The Brew Bag™ as a complete Brew In A Bag NO SPARGE mash tool. Just calculate the full pre-boil volume, add approximately 12 ounces more water per pound of grain (this will be absorbed and tossed). Then just open the spigot and drain into the boil kettle. You may need a bigger mash tun for this process. 

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Customer Reviews

Based on 200 reviews
Love these bags

First off, going to a BIAB system was the best thing I ever did. I was extract brewing and loving it but the jump to all-grain was intimidating. These bags are incredibly easy and by using this system cut down my per batch cost significantly. In fact, one brew season pays for these many times over. My numbers come in where I need them and the spent grains from non-chocolate beers make great dog treats. ONE THING THOUGH - and its not you , its me.. MAKE SURE YOUR SACK IS DRY BEFORE YOU PUT IT AWAY!! I keep a spare bag now just in case i go to pull one out and its got mildew on it.. They clean very easily and dry fairly quickly but I did manage to put a damp one away and had a mildew issue. Again, not the product but user error.. Highly recommend!!


Very nice to work with

Great product

Can’t get better than this, I love it.

Great Product

Here it is after I Mashed out and I am getting that last bit of good stuff

I am in love!

For Labor Day weekend I brewed a 5 gallon batch of robust porter and used the Brew Bag for the first time in my 10 gallon round cooler. I heated all the water needed at once and mashed th 14 pounds of grist with 8.25 gallons of water. At the end of the mash, I just hoisted the bag with a ratcheting pully system and let it drain into the mash tun as I emptied the tun into the brew kettle and started the flame. So simple: no vorlaufing, no heating sparge water, no sparging! That alone probably saved me at least an hour. I left the bag hanging and dripping into a pail during the boil, and when I did cleanup, it was super easy to deal with because the grist was just slightly damp. The bag hang-dried in about 30 minutes and looked as good as new. I am using this from now on!

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