Re: Musing on water change

```Yes there is George;
Do what you have been doing as long as it works fro you. When there is a
problem , research it in the literature and on line, and
you may get good feedback which sometimes works.
erny

----- Original Message -----
From: "George & Melanie Caruso" <caraway at erienet_net>
To: <killietalk at aka_org>
Sent: Friday, July 26, 2002 2:23 PM
Subject: Re: Musing on water change

> You guys are driving me crazy with all of this water talk. It makes a
person
> begin to question whether they should stick with what they are doing or
try
> to improve on their present system to see if it helps. I can't seem to
keep
> up with all of the discussion and often do not fully understand everthing.
> Isn"t there a simple way to approach all of this with out getting so
> complicated?
> Sorry Everyone, I just had to vent a little. Carry on.
> George
>
> Wright Huntley wrote:
>
> > Roger Hawthorne wrote:
> > > I'm glad I'm not a mathematician. Possibly not even a speller.
> >
> > :-) You share the puzzlement of some of us at the bizarre definitions of
> > things like equilibrium that have been posted here, perhaps?
> >
> > Beer can certainly upset one's equilibrium, if consumed in sufficient
> > quantity, but chemical equilibrium is when a balance has been achieved
> > between two opposing reactions or activities. In the partial-change
> > scenario, if the poop in equals the poop out, averaged over some
> > reasonable time interval, then poop quantity settles out, roughly
> > centered around some equilibrium value after a while. For 25% weekly
> > changes, it is 3.5 weeks worth of poop accumulation that is that balance
> > point. It oscillates up and down by 0.5 weeks worth after that.
> >
> > If we start with a sterile, clean tank, the poop builds up,
> > asymptotically approaching an end value, and then gently oscillates as
> > poop accumulates for a week and then is suddenly removed on Sat. Poop
> > removal and addition have reached their equilibrium value, but
> > mathematically they never really do reach it. The errors just get too
> > small to matter.
> >
> > Tyrone probably argues that to reach the wall you must first walk half
> > way to the wall. Then you must go the new half way, ad infinitum, never
> > reaching the wall. Ergo, there is no wall! ;-)
> >
> > >
> > > Our municipal water is very soft. Our well water is carbonic.
> > > Wouldn't the water you add have a lot to do with how often
> > > a change is required? Certainly some reidues left over are
> > > less detrimental than others. Anyone have info on that?
> >
> > The frequency of change is determined by many factors, but your starting
> > water is one of the less important of those. The change is to give the
> > fish a chance to live outside the toilet, to paraphrase Charles, and the
> > new water should be an improvement or the change would be a bad thing.
> >
> > My suspicion is that there are less good things in old water than some
> > have reported, but that changing too much at once has caused some kind
> > of shock. Shortening the change interval can help that, and flow-through
> > systems are the end point of that process -- probably as good as it
gets.
> >
> > >
> > > The Killies I saw ( certainly could actually be fundulus or a
> > > similar fish ) in Cuba seemed to prefer the very end of a
> > > body of water, opposite the inlet. Even when I set up my
> > > camcorder and left, they spent most of their time in the mulm.
> > > Maybe for instant hiding. Yet if I approached, they sped off
> > > in a different direction. Few dropped down into the mulm to
> > > hide. Maybe that is where they spawn? I should have asked
> > > Barry. These guys were not afraid of the saltier areas either.
> >
> > Estuarine fish are really fun to watch. If you realize the changes in
> > salinity they willingly swim through, it is amazing at how easily we can
> > damage other killies with a simple sudden drop in tds. Maybe someone
> > here on the list can offer an explanation (or guess) as to how they
> > adjust or protect themselves from osmotic shock.
> >
> > I wish I had been more observant when I lived on Tampa Bay, back in my
> > early years. I was more into catching than watching, in those days.
> >
> > Wright
> >
> > --
> > "Deport all the product-liability lawyers to Iraq;"
> >                                  -- Dave Barry --
> >        [Best suggestion of 2002, by far...]
> >               <www.sfbaka.net>
> >
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> > Join the AKA at http://www.aka.org/AKA/Applic.htm
>
>
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