Re: [compost_tea] Re: Re: Flow rate for air pumps
First off, the message of mine that you are questioning, was not a
reply to you. You, in fact never gave a "pump volume" in your post. So
I'm not all that sure why you're getting wound up.
I was pointing out problems that must be taken into account with
specific numbers that were actually mentioned.
Now if you go back to Steve's question:
"For example, how do you match air pumps (measured
in CFMs - cubic feet per minute?) for 50-gal,
100-gal, 500-gal, and 1000-gal volume tanks?"
You have an unanswerable question without the additional parameters
that I brought up. If that takes a much longer answer, then it should
get one. It's great that you know that and you have run the tests, but
if you just give an answer of "X times the water volume per minute"
that does not help the person shopping for a pump. It is a bad answer.
Dave
On Fri, 18 Feb 2005 14:57:25 -0800 (PST), Robert Norsen
<bnbrew_at_yahoo.com> wrote:
>
> Of course, Dave working extensively with pumps and water at depths and temps
> and DO2 all those are considered. The post would be pages long to explain
> all the details we consider. The wide range with a given pump is dependent
> on a limited range of microbe acivity, not on the water volume. That was my
> point. Water depth and pump sensitivity to back pressure is considered.
> Many hundreds of hours testing are involved in "jumping" to the conclusions
> I submitted. Bob.
>
> David Anderson <squtch_at_gmail.com> wrote:
>
>
>
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Received on Fri Feb 18 2005 - 20:01:20 EST
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