Isinglass – Murphy and Son’s Kleer Finings product range

We have over 100 years’ experience in manufacturing isinglass

In 2002 our processing aids portfolio became complete with the acquisition of the Saville’s Clarification product range and the manufacture of isinglass finings. This is the era when we introduced the “KLEER” range.

For many years Savilles Ltd were the leading name in the supply of detergents and processing aids to the brewing industry. Within this acquisition we also acquired 100 years of their experience with well documented research and development which help us to understand the physical properties and factors affecting its performance and its role in clarifying cask beers, and as a pre-treatment for processed beer.

Meet Pete Ball our Isinglass production manager

Meet Pete Ball, our best asset from the acquisition he is our Isinglass Production Manager and has been manufacturing isinglass for over 30 years. He now commutes daily from Birmingham to our site in Nottingham. There is very little that Pete doesn’t know about the production of isinglass.

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Why use Murphy’s Isinglass finings?

Like all our products, our range of isinglass are formulated and manufactured here in Nottingham to perform to the highest standard, and will give you the consistent results you require every time you brew. They are also backed by the same commitment to technical support which you would expect from the Murphy & Son name.

If you purchase our clarification products you are entitled to free optimisations and full technical assistance.

All Murphy and Son isinglass products are manufactured under the ISO9001:2008 quality system. This system allows us to manufacture within strict parameters giving traceability and accountability from the raw materials to the finished product. With the modern drinks supply chain increasingly demanding quality and traceability only companies like Murphy and Son have the technical resources to fulfil those requirements.

To manufacture isinglass you must follow the approved manufacturing code of practice that has a very detailed washing procedure, to ensure the levels of potential allergens are reduced to the lowest levels. Our Isinglass is manufactured to this protocol. Anybody not following this protocol will need to label all small pack beer as containing fish products thereof, under allergen labelling regulations.

Our product range.

We offer three blends of Isinglass, Caskleer, Allkleer and Tankleer which are supplied as liquid, paste and powder. In addition we supply a unique product Kompactikleer which is a blend of Isinglass liquid with silica hydrogel to remove both protein and yeast from suspension whilst giving a compact trub.

The Caskleer products are formulated to give brilliant clarity in cask conditioned beer. The carefully selected swim bladders will produce large flocs that drop quickly and will enable beer to be resettled a number of times.

The Tankleer products are designed to give compact sediments and fairly bright but not brilliant beers. As such, they are suited to brewery conditioned beer processing where the clarity is sufficiently good to send the beer for filtration whilst tank bottom losses are minimised.

The Allkleer products are a combination of the above two formulations and are designed to give clear beer with good sediment in either cask or brewery conditioned beers

The Kompactikleer products are advanced formulations designed to provide the best in sediment stability. They are particularly useful where beers are difficult to clarify using standard grades of isinglass finings or where tank base angles cause sediment slippage during emptying.

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Look after your Murphy’s Isinglass finings and store correctly in the summer.

Please be aware of the ideal storage temperatures for your isinglass, this will help it retain its quality and effectiveness:

  • Store in cool conditions away from direct sunlight
  • Keep container sealed when not in use
  • Recommend storage temperature 5-15 °C
  • Minimum storage temperature is 1°C
  • Do not allow the product to freeze
  • The shelf life for ready for use isinglass has a recommended storage temperature is 8 weeks from the date of manufacture.

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