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Re:

> I noticed that the black type weighed 200 lbs./ton more than the red.  A
> quick call to them, and I found out that the black is less porous than the
> red and hence more dense and thus weighs more per ton.
>
Did it weigh more per ton or more per a given volume? To me this sounds
like, which is heavier, a pound of lead or a pound of feathers.

Just curious and thanks for the info. Luckily for me, I have 'tons' of
this stuff about 70 miles away from where I live. I collected several
buckets a few years ago to use in my fish pond filters. I have never
actually used it in my pond filters yet, but I am using it in a canister
filter on a 140 gallon tank.

Jeremy

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~~~~~~~~~~~~~My Life Story~~~~~~~~~~~~~~~~
Jeremy Adams - Corvallis, Oregon  USA
Killifish-Frogs-Toads-Aquatic Plants-Fish Ponds
Bombina orientalis web page:
<http://members.home.net/killifish/bombina.html>
Loyal Macintosh user since 1988
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


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