Re: Aquatic Plants Digest V2 #893

[Cynthia S Powers <cyn at metronet_com>]

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>Return-Path: <rparker7 at ix19_ix.netcom.com>
>Comments: Authenticated sender is <rparker7 at popd_ix.netcom.com>
>From: "Roy Parker" <Roy.Parker at ix_netcom.com>
>To: Aquatic-Plants-Owner at actwin_com (Aquatic Plants Digest),
>        Aquatic-Plants at actwin_com
>Date: Wed, 13 Aug 1997 18:46:44 +0000
>Subject: Re: Aquatic Plants Digest V2 #893
>Priority: normal
>
>
>> Date: Wed, 13 Aug 1997 10:16:06 -0400 (EDT)
>> From: Miles Morrissey <mmorriss at sophia_smith.edu>
>> Subject: Co2 yeast/heat
>> 
>> I've been using DIY Co2 generator with good results, 4 - 6 weeks per
>> batch, over the winter that is.  This summer in sometimes 85+ New England
>> I have been having quite a time keeping it for longer than a week, if
>> that.  I don't have any air conditioning nor do I want it.  Price of doing
>> business with DIY yeast Co2???  Any body have differnt experience?
>
>Couple of things may be going on, Miles.  First, at 85F, most 
>yeasties will take off like a rocket.  I can completely ferment out 5 
>gallons of homebrew in 30-36 hours at 85F (and it tastes like it!).  
>So cool the mixture to 65-70F if you can.  A homebrewing trick I use 
>in warm weather is to set the jug in a pail with 2-3 inches of water, 
>and wrap it with a towel.  The evaporation can cool the mixture up to 
>10F.
>
>You might also look at your water and see if it changed since 
>wintertime.  Trace amounts of ammonia products act as yeast nutrient. 
> They are also more active at a low pH, something like 5.3 is 
>optimal.  If you add a teaspoon of baking soda, it ought to raise the 
>pH if that is part of the problem. I'd guess the temperature first.  
>Rule of thumb in chemistry is that for every 10 degrees C (18F) you 
>raise the temperature, you double the reaction rate.
>
>Roy Parker, rparker7 at ix_netcom.com, regardless
>of what Netcom puts in the "reply to" field....
>Buckskinner, Brewer, and semi-Handyman
>Booshway, 1998 Original SW Reg'l. Rendezvous
>

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