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	FORUM ON BEER, HOMEBREWING, AND RELATED ISSUES
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Contents:
  Re: Irish Moss (bill keiser)
  Irish Moss (Randall Ricchi)


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Date: Wed, 12 Nov 2008 07:25:05 -0500
From: bill keiser <bk2 at sharpstick.org>
Subject: Re: Irish Moss

i just drop in one whirlfloc tablet for the 23 liters.
 it seems to break up and hydrate easily enough in boiling water.
 what advantage would there be to rehydrating it? hmmm, let's see:
 I found this on the hoptech site: "Contrary to popular belief, Irish 
Moss should be rehydrated for 30 minutes before adding to the boil if 
added in the last 30 minutes. An easier alternative is to add it with 
the first bittering hops so that it is boiled at least 60 minutes, 
eliminating the need for rehydration. We recommend 1 tbs in a five 
gallon boil."
 and this on various forums:
"one teaspoonful in warm water when you start your boil, and then 
pouring that in together with 15 minutes left in the boil."
"Whirlfloc is actually (from the Beer, Beer, & More website):  blend of 
Irish Moss and purified Kappa carrageenan that encourages the 
precipitation of haze causing materials such as proteins and Beta 
glucans. Prepared in a quick dissolving, highly soluble tablet form. Add 
1 tablet per 5 gallons with 5-10 minutes left in boil. Everyone who has 
tried them won't go back to irish moss.""
"One Whirlfloc tablet is good for 10-15 gallons of wort. We suggest 
using half a tablet for 5 gallon batches for most beers."
"You can get away with as little as a quarter tab per 5 gallons."
"can confirm a long discussion about whirfloc on b3 that confirms a 5 
minute boil time is all that is required, and that more time is 
detrimental."
 this page has the official product data sheet on it:
<http://www.brewingkb.com/homebrewing/Whirlfloc-vs-Irish-Moss-1791.html>
 (how did we ever do research before google??!!)
bill keiser

> From: Ralph Link <ralphl at shaw.ca>
>
>
> How are most brewers using Irish Moss? For example do you re-hydrate it 
> before introducing it to the boil? What ratio do you use per 23 litres? 
> How do you rehydrate it, cool water or hot wort etc.? Plus any other 
> suggestions or comments are much appreciated.
> Thanks from
> Ralph
>
>
>
>   



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Date: Wed, 12 Nov 2008 07:50:22 -0500
From: Randall Ricchi <rricchi at houghton.k12.mi.us>
Subject: Irish Moss

I use the flake form of Irish moss, and I use a teaspoon, rehydrated in 
about 12 oz of hot water. I use this amount for any batch size ( I 
usually brew 7 to 8 gallons, but sometimes 5 if it's a big beer). I try 
to give it an hour or so in the water but if I forget and have less 
time, so be it.


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