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Guide to Brewing Process Aids

Make Your Process Aids Work as Hard as You Do

RahrBSG’s Manager of Technical Training & Support, and our beloved HBGiC (Head Beer Geek in Charge), Ashton Lewis is here to break down how our process aids and enzymes actually work, helping you brew cleaner, brighter, more consistent beer every time.

Follow along in the video series below as Ashton walks through our guide to some of the most widely used process aids in the RahrBSG portfolio.

Looking to dial in the right dosage rate for your brewhouse? Check out our easy-to-use Process Aids Dosage Calculator, which delivers precise recommendations across multiple units and conversion formats.

Boil Process Icon
Primarily used during the boil for foam control

Fermcap®

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FermCap® is a unique emulsion of an extremely effective surface-active agent that prevents foam formation by reducing surface tension.

Packaging Sizes

FermCap® S: 500 g, 1 kg, 4 kg, 25 kg
FermCap® AT: 1 kg, 4 kg, 25 kg
FermCap® Eco: 750 g, 3.5 kg, 20 kg
Additional Resources:

Boil Process Icon
Primarily used during the boil for improved wort clarity

Whirlfloc®

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Whirlfloc® is a kettle fining agent that improves wort clarity, beer filtration, and overall colloidal stability for a brighter, cleaner final beer.

Packaging Sizes

G: 5 lb, 55 lb
T: 5 lb, 44 lb
Additional Resources:

Ferment Process Icon
Primarily used for improved cold stabilization and gluten reduction

Clarex®

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Brewers Clarex® eliminates chill haze in beer and streamlines stabilization. It can also be used to break down gluten proteins without impacting flavor.

Ferment Process Icon
Primarily used during fermentation for diacetyl control

Biomatex L ALDC

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Biomatex L (commonly referred to as “ALDC”) is an enzyme solution used to control diacetyl production during fermentation.

Packaging Sizes: 500 g, 1 kg, 4 kg, 25 kg

Additional Resources:

Fining Process Icon
Primarily used as an allergen-free biopolymer for flocculation

Fungal Chitosan

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Our fungal chitosan is a natural biopolymer that is used as an allergen-free fining agent to accelerate flocculation and clarification.

Fining Process Icon
Primarily used for improved yeast removal and chill haze reduction

Biofine® Clear

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Biofine® Clear is a vegan-friendly fining agent that helps beer clear quickly by speeding up the sedimentation of yeast and other haze-forming particles.

Packaging Sizes: 1 kg, 4 kg, 25 kg, 250 kg (drum), 1170 kg (tank)