Re: NANFA-L-- Freshwater mummichogs and salt

James Smith (jbosmith-in-gmail.com)
Mon, 17 Jan 2005 01:28:27 -0500

Sorry I should have elaborated. I wasn't worried about the fish. With
some fish it causes problems because of osmotic pressure, but
mummichogs live in an environment where they have adapted to deal with
this.

What I was worried about was the tank itself. Dumping a bunch of salt
in a freshwater tank kills the bio filter. All of the bacteria doesn't
die-in-exactly the same salinity, however, so if you go slowly and
give new bacteria time to form, the bio filter as a whole adjusts.

Jim

On Mon, 17 Jan 2005 00:53:19 EST, Moontanman-in-aol.com <Moontanman-in-aol.com> wrote:
> In a message dated 1/16/05 11:39:17 PM Eastern Standard Time,
> jbosmith-in-gmail.com writes:
>
>
>
> I'm guessing that Bob didn't mention this because it's obvious to
> most, but be careful how fast you increase the amount of salt in the
> water. Suddenly dumping an extra ten cups of salt in a 20 gallon tank
> or whatever would shock it pretty good.
>
>
>
> Actually it wouldn't bother a mummichog-in-all, I've dropped them from pure
> sea water to pure freshwater and the other way around with no problems at
> all, but it's death on parasites!
>
> Moon
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