Re: NANFA-L-- mollies and calcium

Mysteryman (
Thu, 24 Mar 2005 11:57:15 -0800

> Calcium affects fish in much the same way osmotically as sodium--lots of
> euryhaline species can adapt to water with calcium in it when sodium isn't
> available.

Do you guys remember a product on the shelves several years ago called
"Magic Ocean?" This was a calcium based stuff, possibly calcium
chloride, which allowed freshwater and saltwater fish to be kept
together in the same tank. Luckily, it wasn't very popular and it died a
quiet death. Still, it would have been nifty for demonstrating
osmoregulation in a classroom.
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