NetMax wrote:
"David C. Stone" wrote in message
...

In article om,
rootep wrote:


Hi, everyone, do you know that tourmaline sand is good for fishes?


[drivelectomy]

What a bunch of pseudo-scientific baloney...


It is a complex mineral with piezo-electric qualities
http://www.desertusa.com/mag98/may/p...ourmaline.html
http://en.wikipedia.org/wiki/Tourmaline
..but as for everything else, baloney (imo2) until someone comes up with
some credible scientific test results.

The last wonder-substrate for fish was montmorillonite clay, an Asian's
Koi breeders secret which got out.

If tourmaline adsorbs charged compounds under normal fishtank
conditions, it could be an attractive and useful planted tank substrate.
Pity the link for the price is broken, although the site looks like an
exporter rather than retail anyway.

--
Elaine T __
http://eethomp.com/fish.html '__
rec.aquaria.* FAQ http://faq.thekrib.com