logo
g Text Version
Beauty & Self
Books & Music
Career
Computers
Education
Family
Food & Wine
Health & Fitness
Hobbies & Crafts
Home & Garden
Money
News & Politics
Relationships
Religion & Spirituality
Sports
Travel & Culture
TV & Movies

dailyclick
Bored? Games!
Nutrition
Postcards
Take a Quiz
Rate My Photo

new
Painting
Heart Disease
Horror Literature
Dating
Hiking & Backpacking
SF/Fantasy Books
Healthy Foods


dailyclick
All times in EST

Full Schedule
g
g Beer and Brewing Site

BellaOnline's Beer and Brewing Editor

g

What are SRM Numbers ?


Question: "Beer Fox, I have been reading about beer styles and would like to know what SRM numbers are. Can you help?" J.C., Arvada, Colorado, USA

Answer: SRM is the abbreviation for Standard Reference Method, a scale used to classify the color of beer in the USA. It is based on degrees Lovibond (degL). Calibrations between the SRM scale and degL scale are similar.

Commercial breweries measure this color using a spectrophotometer, a sophisticated device that provides an accurate machine measurement of the quantity of monochromatic light, either absorbed, or passing through, the liquid. This instrument produces data that describes the color of the sample product, ranging from the almost colorless (2-3) American light lagers to the almost black (30-40+) stouts and porters.

Homebrewers do not have the advantage of such expensive equipment. However, as an aide to fellow brewers, the State of Franklin Homebrewers has provided a color chart for your convenience.

A few things to keep in mind when evaluating a beer for color:

View beer in a white room White walls, white tablecloth, through a clear, colorless glass.

Use uniform, bright light when viewing.

Color appears denser if you look through more beer. When comparing beer color, always look through a glass that is the same for each beer.

Turbidity and bubbles cause a beer to appear lighter than it is.

Measure at room temperature to avoid chill haze.

Numbers on the SRM scale are not linear. A beer that has an SRM of 20 is not two times darker than a beer with a measurement of 10.

Cheers!

Add What+are+SRM+Numbers+%3F to Twitter Add What+are+SRM+Numbers+%3F to Facebook Add What+are+SRM+Numbers+%3F to MySpace Add What+are+SRM+Numbers+%3F to Del.icio.us Digg What+are+SRM+Numbers+%3F Add What+are+SRM+Numbers+%3F to Yahoo My Web Add What+are+SRM+Numbers+%3F to Google Bookmarks Add What+are+SRM+Numbers+%3F to Stumbleupon Add What+are+SRM+Numbers+%3F to Reddit




Guide to Beer Bottle - Keg - Barrel Capacities
What are IBU's ?
Belgian Lace & Fluffy Bottoms
RSS
Related Articles
Editor's Picks Articles
Top Ten Articles
Previous Features
Site Map


For FREE email updates, subscribe to the Beer and Brewing Newsletter


Past Issues


print
Printer Friendly
bookmark
Bookmark
tell friend
Tell a Friend
forum
Forum
email
Email Editor


Content copyright © 2013 by Carolyn Smagalski. All rights reserved.
This content was written by Carolyn Smagalski. If you wish to use this content in any manner, you need written permission. Contact Carolyn Smagalski for details.

g


g features
Q&A Fun for Philly Beer Geek Geniuses

Yeast Wranglers

What's Your Beer Mood ?

Archives | Site Map

forum
Forum
email
Contact

Past Issues
memberscenter


vote
Poetry
Daily
Weekly
Monthly
Less than Monthly



BellaOnline on Facebook
g


| About BellaOnline | Privacy Policy | Advertising | Become an Editor |
Website copyright © 2013 Minerva WebWorks LLC. All rights reserved.


BellaOnline Editor