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Protafloc - 25g

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Protafloc granules is a granular carrageenan product which is added to wort in the kettle to enhance protein removal as the wort cools. 

  • Natural product which removes substantial quantities of haze forming material without affecting head retention
  • Produces brighter worts, reducing the amount of finings required later
  • Increases rate of fermentation and attenuation
  • Increases filter runs
  • Prolongs shelf life in small pack beers

Protafloc Granules should be added to the kettle ten to fifteen minutes prior to the end of the boil or to the whirlpool if this is not possible. This allows the powder to dissolve and disperse the carrageenan into the wort. Should Protafloc be added early in the boil, degradation of the polymer may occur and product efficiency is lost. The reaction between wort proteins and carrageenan is pH dependant and occurs at an optimum pH of 5.3. Below pH 4.4, the reaction does not occur and little benefit is gained from using Kettle finings.


The usual dosage rate is 0.0075g - 0.048g per litre of wort. This equates to 0.18g - 1.15g for 24 litres of wort.

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