RE: [APD] onyx sand and gravel

["S. Hieber" <shieber at yahoo_com>]

As a rule, smaller substrates tend to work their way down
inbetween pieces of larger aggregate.

As a rule, heavier substrate does the same thing.  I
suppose the right balance of size and and weight (actually
density) could keep things from stratifying.  But who knows
that info about substrates?

Intense vacuuming can help keep things from stratifying.

Scott H.
--- Eric Wahlig <ewahlig at earthlink_net> wrote:
> Well, I've haven't used Onyx yet but I think it would
> stratify by gravity
> as you mention in your post. Maybe try using the larger
> stuff in the back
> and the sand in the front if you want to use both types.
> 
> --- Eric
> 
> >   My question is ... is there any benefit to using both
> and how would I
> > do the layering?  I will be using peat as my tap has a
> high KH, GH and
> > pH.  My thinking is that no matter how I layered the
> sand it would
> > eventually work it's way to the bottom ?? and I was
> hoping for the sand
> > look on top.  I will only have one bag of sand  and am
> not sure, but I
> > figure that will give a 2 inch layer in a 10 gal tank,
> so if I could use
> > some of the gravel I could get it a little deeper in
> the back.  
> >   Maybe I will try a coordinating stone background with
> the extra
> > gravel....
> >
> > joanne damon
> 
> 
> 
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