[compost_tea] Re: Testing tea has to be done properly.....

From: dkemnitz2000 <dkemnitz2000_at_yahoo.com>
Date: Thu, 18 Sep 2003 01:15:20 -0000

---Thanks Paul. There is some difference though, between the
samples. I have to go back to conversion tables to get
micrograms/mls to bacteria/ml and I'd GUESS 8.1 micrograms/mls is a
bunch of bacteria in 300 gallons finished product or more importantly
in the 15-25 gallons applied/acre..Being familiar with only standard
plating techniques I haven't been able to discern how SFI
differentiates active and total but am eagerly waiting to learn.
Thanks again though. I can't help but notice some of your samples
total bacteria are in thousands(ug/ml) while others are in hundreds.
Did you post differences between recipes,procedures, etc of samples?
And also I notice all your samples are well into the desired range,
if not way beyond! That's gotta be exciting. Dennis









 In compost_tea_at_yahoogroups.com, <pdsachs_at_l...> wrote:
> Dennis,
>
> If you go to http://www.norganics.com/tests.html look at the two
test
> results for 5/16/03. The first was taken at the end of the brew
cycle and
> put in the refrigerator until Fed Ex came to pickup. The second
sample
> (from the same batch) was left aerating for four hours after the
first
> sample was drawn. I didn't see a significant difference.
> Paul Sachs
> >
> >
> >
> >
> > ---Great topic Jeff. I was wanting to ask some of these questions.
> >
> > Maybe you need duplicates??????? Does anyone cool smpls before
> > shipment( like until shipment to SFI)?&nbsp; The dairy industry
stores
> > micro (raw milk)samples on ice enroute to lab and micro samples
must
> > be plated(tested) not later than 36 hours after collection......Of
> > course they have their way of doing things!!!!
> > &nbsp;&nbsp;&nbsp;&nbsp; Has anyone taken samples before and after
> > filters and/or nozzle tips to determine effect of filters and
tips?
> > Dennis from the crusty old food lab
> >
> >
> >
> >
> >
> >
> >
> >
> > In compost_tea_at_yahoogroups.com, &quot;Jeff Lowenfels&quot;
> > jeff_at_g... wrote: &gt; Folks, how are you taking samples for
> > testing??????Some folks are&nbsp; having trouble duplicating
results
> > using the same stuff.....
> > &gt;
> > &gt; The correct way is to get a REPRESENTATIVE tea&nbsp; sample.
You
> > need to keep the machine going,&nbsp; take five or so small
samples
> > and that is what gets tested.&nbsp; If you are decanting the tea
and
> > taking samples from the solids in the bottom, that is 'cheating'
and
> > gives
> > unrepresentational higher fungal numbers.....this is not the way
to
> > go.
> > &gt;
> > &gt; Cheers,
> > &gt;
> > &gt; Jeff
> >
> >
> >
> >
> >
> >
> >
> >
> >
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Received on Wed Sep 17 2003 - 22:06:44 EDT

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