Re: [compost_tea] Pumps and Aerob-a-jet

From: Robert Norsen <bnbrew_at_yahoo.com>
Date: Mon, 12 May 2003 12:01:17 -0700 (PDT)

0.22 CFM - if there is a majic way to make that much air do 250 gallons I'm interested. I think it is trying to get something for nothing. If .22 cfm is being injected as micro bubbles that stay in the water does that add .22 CFM to the volume of the TEA? Is that air going to be used by microbes? If so what is the rate of O2 used? What is left? An oxide? CO2? If ALL the O2 added at .22cfm went into the water is that enough to feed the critters at the rate needed in 250 g? Micro bubbles may be better in some ways but even if 100% perfect, the math at .22 cfm doesn't work for me. Bob

laura_s_at_vaxxine.com wrote:I believe Elaine answered - search the archives


At 07:19 AM 12/05/2003 -0700, you wrote:
> a superior way to get O2 into CT. Someone else pointed out that the
>CFM (0.22) was way too low based on numbers we have been working with. Tom
>says because of the way the the bubbles are introduced it's more than
>enough O2. Anyone got a comment on this. The Aerob-a-jet may be
>expensive, but if Tom is right, an equivalent air pump is even more
>expensive. Peter Young Trying to build a 250 gallon CT brewer
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Laura Sabourin
EcoVit Ecologically Sound Horticultural Products
Tea-riffic Aerobic Compost Tea and Acadian Seaplant Products
RR # 1
St Catharines, Ontario L2R 6P7
http://www.ecovit.ca
http://www.compost-tea.ca

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Received on Mon May 12 2003 - 15:15:42 EDT

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