I believe you do have a little room to play with here.  The sludge in the
tank's filtration system is pretty well solid, and as such we know that CS
loses a lot of effectiveness inside stuff like this, ie. in your intestines
or in a gel.  Thus I think it is likely that one can use an amount that
would be theraputic, yet not interfere with the bio-filter significantly.
It is just a matter of amount, not uncommom in medicine, where toxic
products are often given to a patient in moderation to help something, yet
more of it would kill them, ie. chemo, quinine, strictnine, even asprin.

Marshall

"M. G. Devour" wrote:

> > A friend of mine has a fish tank with a mold problem.  The fish and
> > water plants affected.  Does anyone know if it's safe to add a large
> > amount of CS to the water?
>
> I'll only caution you about your tank's filtration system. If you're
> using any of the biological filter schemes, your CS will obliterate
> the good bacteria along with whatever else you want to kill.
>
> Disruption the bio-filter can be disastrous if you're not prepared to
> cope, leading to a dump of metabolites from all the dead bacteria,
> and, depending on the fish load, a rapid spike in ammonia levels.
> Ammonia is *extremely* toxic to fish.
>
> If you're prepared to maintain the water quality by charcoal
> filtration or frequent water changes until the bio filter becomes
> re-established, then you might give it a go. Good luck.
>
> Be well,
>
> Mike D.
>
> [Mike Devour, Citizen, Patriot, Libertarian]
> [mdev...@eskimo.com                        ]
> [Speaking only for myself...               ]
>
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