Far $258 Goto: http://www.homedepot.com/prel80/HDUS/EN_US/diy_main/pg_diy.jsp?CNTTYPE=NAVIGATION&CNTKEY=market%2fpg_zip_code.jsp&BV_SessionID=@@@@1933544714.1052771091@@@@&BV_EngineID=ccchadcifjhfffdcgelceffdfgidgjn.0&search_text=air%20compressor&DRC=4
That Air Compressor puts out 7.6 CFM at 40
PSI or 6.5 CFM at 90 psi.
If that isn’t enough, try a bigger
compressor.
-----Original Message-----
From: J Peter Young
[mailto:peter@bennettvalleyvineyards.com]
Sent: Monday, May 12,
2003 1:05 PM
To: compost_tea@yahoogroups.com
Subject: RE: [compost_tea] Pumps
and Aerob-a-jet
So basically it sounds
like nobody knows anything concrete about this issue. I'll keep with my soaker
hose and stanard air pumps. So back to a previous questions. Anyone no a good
supplier for pumps that put out 9+ CFM. One person here recommended Gast, but
they are over $1,000. Hoping to find something cheaper. Are conventional
compress capable of the kind of duty cycles (on for 10 hours straight) that
compost tea requires?
-----Original
Message-----
From: Jason Austin
[mailto:jason.austin@shaw.ca]
Sent: Monday, May 12,
2003 12:16 PM
To: compost_tea@yahoogroups.com
Subject: Re: [compost_tea] Pumps
and Aerob-a-jet
Thomas Giannou wrote:
I don't remember seeing anything from Elaine on this
topic. But who knows, she sometimes replies but doesn't copy text from
the message.
Sometimes ? <grin>
Here is Elaines's message from May 6th under the heading of Simple
CT maker
Compost tea brewers are a bit
different from fish tanks. Fish don't get growing quite as fast as
bacteria. When you feed bacteria well, they can use up all the oxygen in
any amount of water within minutes, and therefore the aeration rate needs to be
high enough to offset bacterial and fungal growth.
The fine bubbles are not the preferable condition. The fine bubbles are
really hard on the fungi and seem to break them up and shatter them.
If you suspend fine bubbles in the water, by over-aerating, you end up with
problems. Too much air, and not enough water (supersaturation?), and the
organisms will be killed because the environment become too oxidizing.
Cute, huh? Not too much, not too little..... Goldilocks strikes again.
We need some additional testing on the fine bubble versus coarse bubble
situation. The fine bubble work we've done suggests that fine bubbles are
quite detrimental. The bigger bubbles seem to do a better job of
extracting hte organisms from the tea, and keeping things as aerated as
possible.
Always something more to know. So, what is the optimal aeration
rate? Depends on how much food you add, the compost you use, the
temperature of the water.
Check the www.magicsoil.com web site.
Some interesting insights there about aeration.
Elaine Ingham
President, Soil Foodweb Inc.
www.soilfoodweb.com
Jason
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