Re: [compost_tea] air bubble size
Thanks for the reply Bob.
I don't enjoy develpoing a brewer. I'm a small market farmer and started m=
aking this brewer for myself when the only small brewers on the market were=
the soil soup and the GSI, before the KIS, your brewer and others were ava=
ilable. I figure since I've got money invested in some equipment (tank, ai=
r pumps, hoses and diffusers) I should try to make it work.
Your brewer has been described as having larger bubbles. Do you have any i=
dea how the bubbles coming out of 1/4" hose would compare to your bubble si=
ze?
Would it be possible to use my tank and air pumps with your air diffusion s=
et-up?
thanks,
daniel
----- Original Message -----
From: Robert Norsen
To: compost_tea_at_yahoogroups.com
Sent: Friday, January 24, 2003 10:11 AM
Subject: Re: [compost_tea] air bubble size
A few days ago my message was that some enjoy developing a bewer, some li=
ke to work at gardening. Developing and testing a brewer is a several yea=
rs challenge.
2 CFM for 20 gallons? The Bob-o-lator uses less than 1 cfm for 250 gallo=
ns and maintains very safe D O2 .
RiverValley <madhava_at_fidalgo.net> wrote:
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 gallo=
ns) 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 t=
hink 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 t=
ea>
Wow, that seems to be "new" info--I seem to remember lots of discussi=
on of size of bubble vs. surface area, but this statement explains the lar=
ger 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 abou=
t diffuser bubbles? Too small? Or is the real answer: get a O meter and ma=
ke sure you are 6 mg O2 per L or better?
thanks,
jeff
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Received on Fri Jan 24 2003 - 13:45:56 EST
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