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Re: NFC: Fish Losses
I've heard that - some beautiful spring-fed pools have almost no life because
of low oxygen levels. Shame to go to all the trouble to set up such a neat
system and have it turn on you.
MW
In a message dated 12/1/01 12:32:27 PM Eastern Standard Time,
mbinkley at columbus_rr.com writes:
> I have an inkling of how you feel. My buddy, Pat Johnson recently lost an
> awesome collection of darters from all over the country while he was out of
> town. The fishes were in a tank fed by a trickle of well water. Normally
> the trickle (well, really a spray) is above the water level and aerates the
> well water as it comes in. Somehow the outflow became clogged, raising the
> water level and submerging the spray. Apparently, this caused the oxygen
> level to drop precipitously. It seems that well (ground) water is often
> deficient in dissolved oxygen. Pat's wife was home, but being
> fish-challenged, all she could do was call him and give him updates on how
> many fishes had died. He's been a little fish-shy since then, which is
> quite unusual for Pat, who never misses a chance to go after the next
> darter on his list.
>
> I have had a similiar experience with well water at my Grandparent's in
> Florida. I use their tap water, from a well, to do water changes on my
> collections there. If I put much of it onto the fishes in a short peroid
> of time, they quickly start gasping for oxygen. As the water is exposed to
> air in the container, the fishes gradually recover as air dissolves into
> the water.
>
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