>
> Fredrik,
>
>>
>> I know that most of you would recommend aragonite and/or oolithic sand and
>> probably build a bed several inches
>> deep, the problem is that the only thing I can get here is coral sand.
>
>
> Coral sand = aragonite = oolitic sand
>
> It is all the same stuff.  They just give different names to it, part of the
> marketing strategy.  All you need to look for is a finer grade of sand.
>
> All aragonite means is the crystalline structure of the calcium carbonate. 
> Aragonite is the one laid down by living things, the other important one is
> calcite.  Oolitic means rounded, so the sand grains are simply nice and
> round.  They are just using fancy words to make you buy their product, that
> is all.
>

Catch ya,

DBW             | The Caretaker, OZ REEF Marine Park
Melbourne       | http://ozreef.org/
Australia       | [EMAIL PROTECTED]
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According to my calculations, the problem doesn't exist
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