This is intersting info. I'm working on a
brewer that I started making last 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 without 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 -----
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 of 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 diffuser bubbles?
Too small? Or is the real answer: get a O meter and make sure you
are 6 mg O2 per L or better?
thanks,
jeff
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