smyrnaquince

Recipes 

I was given a few cobalt blue swing-top bottles. I know that green bottles don't filter light sufficiently and run the chance of skunked beer, but that brown glass is good. What about blue glass?

Thanks!

HoppyMaltPoet

Recipes 

There was an article written by Bradley E. Sturgeon on the effects of UV light and the color of the glass bottle you are using. Here is the link to the article. It includes a graph with some relevant info. In short brown is still the best.

http://www.brewangels.com/Beerformation/bbrskunking.pdf

__________________
Workers of the earth! I bring... good tidings of peanuts! And beer!

HoppyMaltPoet

Recipes 

Just to summarize the article...here are the charts associated with the different types of light used, and the light filtered by the different types of glass used.

Tungsten light bulb:


Sunlight:


Florescent Light:


Quote from recommendation section of the article:"Continue to use brown bottles for all homebrew!"

__________________
Workers of the earth! I bring... good tidings of peanuts! And beer!