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RE: Lava Rock

To: killietalk at aka_org
Subject: RE: Lava Rock
From: jake levi <jlevi_us at yahoo_com>
Date: Wed, 4 Apr 2001 16:13:24 -0700 (PDT)
In-Reply-To: <BEEGJHMNGIFDFICMLNEAKECICDAA.TranquilityBase at NetZero_Net>
Yeah, paranoia is my middle name, but dont say I said
so,

jake
--- -RJ- <TranquilityBase at NetZero_Net> wrote:
> Hi Jake,
> 
> As to the metals and salts which could leach out of
> the rock I have not had
> any problems nor have I heard of any. Lava rock is
> in relatively common
> usage at this point in fresh water setups. Although
> there are more
> possibilities for chemical interaction in salt water
> I have also never heard
> of any such problems but I am not currently doing
> any salt water tanks.
> 
> With regard to washing the rock, I assume that any
> product marketed by Eheim
> or Hagen should be safe. As far as rock you buy
> elsewhere it is possible
> that it may have come into contact with some
> contaminant. There is no way to
> know for sure that someone did not accidentally
> spill a jug of weed killer
> on it at the garden supply store. I usually boil
> just about anything I put
> into my fish tanks where it is possible.
> 
> I suppose that there is some risk involved in
> putting anything into your
> fish tanks from the great outdoors. But if you
> compare it to the risk you
> take every time you bring a fish home from your LFS
> and introduce it to your
> aquarium, I think you will find that it is minimal
> or at least acceptable.
> 
> Use good judgment, do what you can to clean the
> rock, put the rock into one
> fish tank first and make sure that the test fish are
> alright. Caution is
> always to be encouraged.  But paranoia is the reason
> that Eheim gets the big
> bucks for its rocks.
> 
> Best regards,
> 
> -RJ-
> 
> 
> -----Original Message-----
> From: owner-killietalk at aka_org
> [mailto:owner-killietalk at aka_org]On
> Behalf Of jake levi
> Sent: Wednesday, April 04, 2001 7:28 AM
> To: killietalk at aka_org
> Subject: RE: Lava Rock
> 
> 
> Hi RJ
> I was wondering on any 'anecdotal' info on the list
> on
> what is working, I am quite familiar on the 'live
> rock' as I make, culture and sell live rock :-)
> 
> Visits to Rochester pet shops will let you see a lot
> of it in the better shops although you may have to
> ask
> which is which.
> 
> My question/concern on the lava rock is that being
> of
> volcanic origin it will have different compositions,
> and may well have metallics/salts that could leach
> out.
> 
> Has anyone had a problem with this? Seems it would
> be
> wise to presoak it and rinse a few times before
> using?
> jake
> --- -RJ- <TranquilityBase at NetZero_Net> wrote:
> > 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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=== message truncated ===


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RE: Lava Rock
From: "-RJ-" <TranquilityBase at NetZero_Net>
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