--- title: Cherwell | In-Depth Guide to Prepared Culture Media Published description: Cherwell Laboratories publishes an in-depth guide to prepared culture media. Detailing best practices to produce, purchase, store and use microbiological media image: https://www.cherwell-labs.co.uk/hubfs/cherwell-laboratories-prepared-media-guide.jpg --- [![analytichem_Logo+claim_RGB](https://www.cherwell-labs.co.uk/hs-fs/hubfs/analytichem_Logo+claim_RGB.png?width=200&height=43&name=analytichem_Logo+claim_RGB.png "analytichem_Logo+claim_RGB")](https://www.cherwell-labs.co.uk/) [![Analytichem](https://www.cherwell-labs.co.uk/hs-fs/hubfs/analytichem_Logo+claim_RGB.png?width=200&height=56&name=analytichem_Logo+claim_RGB.png "Analytichem")](https://www.cherwell-labs.co.uk/) Search # Cherwell Publishes In-Depth Guide to Prepared Culture Media ![](https://www.cherwell-labs.co.uk/hubfs/Marketplace/Cherwell%20Labs/imgs/icons/cherwell-icon-45.svg) *By Gill Power* ## Detailing best practices to produce, purchase, store and use microbiological media ![cherwell-laboratories-prepared--culture-media-guide.jpg](https://www.cherwell-labs.co.uk/hs-fs/hubfs/cherwell-laboratories-prepared-media-guide.jpg?width=615&name=cherwell-laboratories-prepared-media-guide.jpg "cherwell-laboratories-prepared--culture-media-guide.jpg")   Bicester, UK, 17th January 2018: Cherwell Laboratories, specialist suppliers of products for [environmental monitoring](https://www.cherwell-labs.co.uk/cleanroom-environmental-monitoring) and [process validation](https://www.cherwell-labs.co.uk/cleanroom-equipment/applications/operatorprocess-validation/), has published an eBook titled, “The Pharmaceutical and Cleanroom Industry’s Pocket Guide to Prepared Culture Media”.  Available to [download from Cherwell’s website](https://www.cherwell-labs.co.uk/pharmaceutical-and-cleanroom-industrys-pocket-guide-to-prepared-media-lp), the new guide is intended for anyone involved in using and/or buying microbiological media.  It aims to provide an understanding of the best practices and breadth of prepared culture media options for varying applications within the pharmaceutical and cleanroom industry.    The importance of culture media for microbiological quality control purposes in the pharmaceutical and the cleanroom industry cannot be understated. High quality culture media is essential to achieve accurate, reproducible, and ultimately repeatable microbial tests for applications, including: environmental monitoring; process and operator validation; and product sterility testing. Therefore, it is crucial that users ensure that their prepared culture media is not substandard.    The comprehensive guide equips the reader with all the information they need to consider in order to produce; purchase; store and use prepared media effectively.  Focusing on the key topics covered in the guide will help readers to ensure their culture media is of a consistently high quality to deliver reliable results that they can be confident of, every time.   Topics within the guide include: an overview of the various applications of prepared media; best practice guidelines for handling and storing prepared media; the logistics of in-house prepared media manufacture; the argument for pre-prepared media versus in-house manufacturing and guidelines on how to choose a prepared media supplier.    Andrew Ramage, Cherwell Laboratories’ Microbiology Product Specialist comments: “I hope this booklet will educate and inform the reader of the many considerations needed to manufacture high quality microbiological growth media.  A flexible and reliable manufacturer of prepared media will be able to guarantee the customer receives exactly the product they require, to a consistently high standard.  Once the reader has finished reading this booklet they should also have a clearer understanding of the pros and cons of buying in prepared media versus manufacturing in-house.”   With over thirty five years’ experience in manufacturing [Redipor® prepared media](https://www.cherwell-labs.co.uk/cleanroom-equipment/prepared-culture-media/), Cherwell has in-depth insight and expertise that ensures it continually delivers prepared media of the highest calibre to its clients. Cherwell also maintains the personal touch that accompanies an ability to accommodate customers’ unique needs with bespoke solutions.    If you would like to know more, please download our eBook [The Pharmaceutical and Cleanroom Industry’s Pocket Guide to Prepared Culture Media](https://www.cherwell-labs.co.uk/pharmaceutical-and-cleanroom-industrys-pocket-guide-to-prepared-media-lp) or visit our [media types page](https://www.cherwell-labs.co.uk/media-types).  Alternatively, feel free to contact us with any queries, or to arrange a meeting to discuss your needs. We are on standby for your call.     Comments ## Read other blog articles [ *By Gill Power* #### Specialist products for boosting microbial EM protocol reliability spotlighted by AnalytiChem UK at Pharmig 2025 ](https://www.cherwell-labs.co.uk/cherwell-labs-post/analytichem-uk-highlight-specialist-em-products-pharmig-2025-annual-conference) [ *By Gill Power* #### New AnalytiChem UK appointment strengthens customer focus and growth strategy ](https://www.cherwell-labs.co.uk/cherwell-labs-post/new-analytichem-uk-appointment-strengthens-customer-focus-and-growth-strategy) [ *By Gill Power* #### Cherwell announces Andy Whittard’s retirement and names Stuart Hall as new Managing Director ](https://www.cherwell-labs.co.uk/cherwell-labs-post/cherwell-announces-andy-whittards-retirement-stuart-hall-named-new-managing-director) ### Sign Up for our Blog We promise that we won't SPAM you. #### What's next #### Recent news [![Specialist products for boosting microbial EM protocol reliability spotlighted by AnalytiChem UK at Pharmig 2025](https://www.cherwell-labs.co.uk/hs-fs/hubfs/Redipor%20TwistLock%20Contact%20Plates%20with%20GS1%20DataMatrix%20Codes.png?width=50&height=50&name=Redipor%20TwistLock%20Contact%20Plates%20with%20GS1%20DataMatrix%20Codes.png) **Specialist products for boosting microbial EM protocol reliability spotlighted by AnalytiChem UK at Pharmig 2025** 10 November 2025 ](https://www.cherwell-labs.co.uk/cherwell-labs-post/analytichem-uk-highlight-specialist-em-products-pharmig-2025-annual-conference) [![New AnalytiChem UK appointment strengthens customer focus and growth strategy](https://www.cherwell-labs.co.uk/hs-fs/hubfs/Tom%20Pickford%20AnalytiChem%20UK%20Business%20Development%20Manager%20Midlands.jpg?width=50&height=50&name=Tom%20Pickford%20AnalytiChem%20UK%20Business%20Development%20Manager%20Midlands.jpg) **New AnalytiChem UK appointment strengthens customer focus and growth strategy** 20 October 2025 ](https://www.cherwell-labs.co.uk/cherwell-labs-post/new-analytichem-uk-appointment-strengthens-customer-focus-and-growth-strategy) #### Subscribe Receive the latest articles as they are published. #### Contact us Registered Office 7 & 8 Launton Business Centre, Murdock Road, Bicester, OX26 4XB **Phone** Tel: +44 (0) 1869 355 500 **Email** [sales.uk@analytichem.com](mailto:sales.uk@analytichem.com)    ![analytichem_Logo+claim_RGB](https://www.cherwell-labs.co.uk/hs-fs/hubfs/analytichem_Logo+claim_RGB.png?width=2000&height=431&name=analytichem_Logo+claim_RGB.png "analytichem_Logo+claim_RGB") ![BSI-ISO-9001-Certified-50px](https://www.cherwell-labs.co.uk/hs-fs/hubfs/BSI-ISO-9001-Certified-50px.png?width=130&height=77&name=BSI-ISO-9001-Certified-50px.png "BSI-ISO-9001-Certified-50px") AnalytiChem UK ©2025 (Formerly Cherwell) Reg. in England No: 01159518 VAT Reg. 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