Re: [compost_tea] air bubble size
This is intersting info. I'm working on a brewer that I started making las=
t year. The container is 12" round by 4' high (it holds about 20 gallons) =
and uses 5 tetra tech deep water pumps which gives me a total of 2 cfms wit=
hout any diffusers attached. The air hoses are 1/4 inch diameter. I think=
it would simplify my design to not have to use air diffusers and just let =
the air come out of the hoses.
Anyone ideas if this would provide enough air without diffusers.
thanks,
daniel
----- Original Message -----
From: Jeff Lowenfels
To: compost_tea_at_yahoogroups.com
Sent: Thursday, January 23, 2003 7:57 PM
Subject: [compost_tea] air bubble size
<Please be aware that fine air bubbles chew up the organisms in the tea> =
Wow, that seems to be "new" info--I seem to remember lots of discussion o=
f size of bubble vs. surface area, but this statement explains the larger =
bubble size in the Kis Machine and the Bob-0-Lator.
Will you elaborate a bit when you get a chance. What is too small? I know=
the bubbles from an aquarium stone make tested adequate tea. What about di=
ffuser bubbles? Too small? Or is the real answer: get a O meter and make s=
ure you are 6 mg O2 per L or better?
thanks,
jeff
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Received on Fri Jan 24 2003 - 12:35:56 EST
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