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RE: Lava Rock

Watch the very sharp edges on the larger chunks/decorative pieces.
I would run a large file or stone over the sharp edges to reduce possible
fish injuries and help stop glass/plastic tank scratching.
Another $.02's worth...
mike stoecker

> -----Original Message-----
> From:	-RJ- [SMTP:TranquilityBase at NetZero_Net]
> Sent:	Tuesday, April 03, 2001 10:37 PM
> To:	killietalk at aka_org
> Subject:	RE: Lava Rock
> 
> Hi Jake,
> 
> There is a difference between the different size lava rock. The smaller
> pieces have the benefit of greater surface area for normal
> denitrafication.
> In this form it is most useful in corner, canister or drip filters. Larger
> pieces have a larger anoxic interior area for more complete
> denitrification,
> including the breakdown of nitrates. This is of course the principal
> behind
> "live rock" in salt water which is used in large pieces. Lava rock is an
> amazingly useful material.
> 
> Adding small pieces to your filter system makes a great media for superior
> conventional denitrafication. Adding large chunks to your aquarium makes
> for
> a great passive denitrator as well as an attractive decoration.
> 
> Best regards,
> 
> -RJ-
> 
> -----Original Message-----
> From: owner-killietalk at aka_org [mailto:owner-killietalk at aka_org]On
> Behalf Of jake levi
> Sent: Tuesday, April 03, 2001 7:12 AM
> To: killietalk at aka_org
> Subject: RE: Lava Rock
> 
> 
> Is there an 'optimal size' of this? Would lava rock
> 'gravel' have more surface area? What I have read so
> far makes it sound well worth using, wondering if
> there is an optimal size?
> jake
> 
> --- "Stoecker,Michael,FRANKLIN PARK,NC&C"
> <michael.stoecker at us_nestle.com> wrote:
> > Sorry for the stupidity.  It should have read
> > "...200 lbs./cubic yard more
> > than the red."  Correct the next sentence as well.
> > mike stoecker
> >
> > > -----Original Message-----
> > > From:	Jeremy Adams [SMTP:killifish at home_com]
> > > Sent:	Monday, April 02, 2001 1:58 PM
> > > To:	killietalk at aka_org
> > > Subject:	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
> > >
> > > --
> > >
> > >
> > >
> > > ~~~~~~~~~~~~~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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