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[APD] Greater Detroit Aquarium Society Auction


For those who live close to Detroit, I will bring the following plants to this Saturday's auction:
Ammania gracilis
Ammania sengalesis
Eustrails stellata
Rotala macrandra
Rotala wallichii
Phyllanthus fluitans
Micranthemum umbrosum
Didiplis diandra

Hope you will bring your rare plants as well.


From: aquatic-plants-request at actwin_com
Reply-To: aquatic-plants at actwin_com
To: aquatic-plants at actwin_com
Subject: Aquatic-Plants Digest, Vol 2, Issue 42
Date: Tue, 21 Oct 2003 12:02:27 -0400

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Today's Topics:

1. RE: EHEIM diatom Filter -- Freyed Ends (Wright Huntley)


Message: 1
Date: Tue, 21 Oct 2003 08:37:42 -0700
From: Wright Huntley <whuntley at verizon_net>
Subject: RE: [APD] EHEIM diatom Filter -- Freyed Ends
To: Aquatic PlantsDigest <aquatic-plants at actwin_com>

Wonderful thread for me to jump in on. I grew up in the "dirt" business,
as my father owned one of the world's largest producers of non-metallic
industrial minerals. Some of that dust rubbed off on me, so I have a
couple of minor comments.

> From: "S. Hieber" <shieber at yahoo_com>
> Subject: RE: [APD] EHEIM diatom Filter -- Freyed Ends
> To: aquatic plants digest <aquatic-plants at actwin_com>
> Something I said apparently angerd or insulted Saron Frey,
> although I am not clear what it was.  I had no intention of
> doing so.  IN any event there are a few mistakes inthe
> post.

We all make mistakes, Scott. Why I even did so myself, back in the '40s.
I thought I was mistaken, but turns out I wasn't. :-)

> As commonly used, "Diatom Filter" means a filter designed
> specifically for the use of diatomaceous media, which
> consisist of the skeletal remains of diatoms. It doesn't
> simply mean "fine" or "silt" but refers to a specific kind
> of material.  It's not clear if you were taking issue with
> that or not.

To be more specific than that, the broken shells of the "fossilized"
diatomes are like microscopic shards of shattered glass. Porous, sharp
and insoluble (over 80% silica) the stuff is deadly to small insects and
intestinal parasites. It is *most* hazardous to breathe. [Do a google
search on silicosis.]

> --- Sharon Frey <sharonfrey at earthlink_net> wrote:
>>> Scott Heiber could you possibly be a bigger butt than you
>>> already are?  I
>>> guess the answer is yes!

Naah! We all think he's near perfect, here! :-)

>>> Diatomaceous earth is a silt sand commonly used in pool
>>> filters in the
>>> Southwest.  Silt meaning very very very very very fine.
>>> How in the world
>>> did you get from Seweryns post to lambasting every person
>>> who tried
>>> something a little strange?
> I said why I didn't thnk diatom powder would work in an
> ordianry Eheim filter and suggested some alternatives.  The
> lambast was?

You are correct. It won't. [I forget the lambaste part, too.]

>>> This avocation is a process of trial and error and
>>> learning from the
>>> mistakes and the successes.
> Couldn't agree more.
>>> I have always wondered if
>>> you have a planted
>>> aquaria or just make stuff up as you go along.
> I don't just make stuff up.

Well, maybe not, but I think I recall a few colorful twists on some
topics. :-)

[To be serious, Scott's posts have a lot of good meat and have always
been quite accurate. We have disagreed on minor points from time to
time, but rarely on anything fundamental.]

>>> A diatom filter (which you have never used and I have)
>>> references the size
>>> of particle that is filtered.
> Actually, it doesn't.  Consder the term "Diatom." It's a
> particular kind of fine media.  Most often it is a calcined
> diatomaceous material.

Naah. It is almost never really calcined as it is mostly SiO2 and has no
CO2 to drive off, or water of hydration as in limestone or many silicate
clays. It is dried out at elevated temps, because it is so good at
holding water in the micropores that it still acts like dust when as
much as 50% of the weight is H2O! Its microporosity is amazing, with
over 80% of volume being air.

It soaks up oil from the driveway with amazing efficiency, as I recall.

> I have three diatom filters and have used them all for
> several years, two models of Vortex and a System One. I
> have also used Eheims, among others, for over 30 something
> years.
>>> Personally I would like to see this post go forward and
>>> hear others and
>>> their observations and ideas.
> Me too, that's why I like the APD.
>>> Is it possible that you would just shut up long enough
>>> for others to think
>>> reason and resolve?  I hope and pray so.
> Nothing I say prevents anyone from saying anything else.

Good! Otherwise I might be left speechless, and we wouldn't want that,
would we? ;-)

> Scott H.

Nothing I say prevents anyone from responding, so up goes my flame shield. ;-)


Wright Huntley -- 760 872-3995 -- Rt. 001 Box K36, Bishop CA 93514

            Mencken's maxim?every election is a sort
              of advanced auction of stolen goods.


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