Home Brew Beer Grain Bag (BIAB)

Brew In A Bag - up to 3kg


4 reviews

Mashing and Boiling aren’t new moves at a dance party but the method of extracting sugar from your grain and extracting bitterness/aroma from your hops. Two important factors at play here are mash temperature and filtration.

Ever wondered how micro breweries get their beer clear?  They filter at every stage of the brewing process. You can also simulate this at home with our quality bits.

Filter up to 3kg of grain with our BIAB – Brew in a Bag.

Cant decide? All of this is included in our Small Batch Brew Kits

Only 6 left in stock

SKU: BDB-GBBIAB Category: Tags: ,


These custom made Small Batch grain bags have a strong construction and prevent mash clumping maximising the your brew day efficiency.  Using these Grain Bags makes clean up simple. To use simply put your grain in and suspend in the kettle. At the end of the mash simply lift the bag and drain the sweet wort into your kettle.

Why our large grain bags (BIAB) are different:
  • 150 micron nylon fine mesh filtering
  • 50cm x 28cm in size – fits over most 15 litre stock pots
  • Perfect for 5 & 10 litre brews
  • Can be used as a large hop sock
  • Strong double stitched construction
  • Can hold up to 3 kg of grain
  • Suitable for use up to 110 degrees Celsius
  • Reduces the amount of trub in your boil


Additional information

Weight 0.01 kg
Dimensions 20 × 10 × 0.3 cm


4 reviews for Home Brew Beer Grain Bag (BIAB)

  1. danamann (verified owner)

    I agree with the other reviews. Good quality, easy to clean and on the small side. It won’t reach over the diameter of the pot but with three binder clips it works well and is easy to add the grain to and stir during mashing

  2. jkilday25 (verified owner)

    No issues with keeping in all the grain and easy to clean, good quality. Bit small as I had to use a 20l pot but still did the trick just clipped to the side.

    All good


  3. nashi_00 (verified owner)

    good, small grain bag that is strong and easy to clean.

  4. William Byers (verified owner)

    I recently purchased this BIAB grain bag, high quality mesh and well made.
    Kept the grain in the bag well.

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