Re: [AGA Member] Water Circulation and Amano shrimp

[Max Chang <cpc1007@yahoo.com>]

 I have no idea what the CO2 concentration was in my
tank when that tragedy happened. But it's probably not
even 40 ppm since I didn't find the fish and shrimps
came up to the surface for air. And I only lost Amano
shrimp, fish and other kinds of shrimps were all doing
normal.
 Furthermore, those Amano shrimps didn't die right
away. I started to find bodies few days after I
changed the CO2 amount, but they did stop dying right
after I changed the CO2 amount back.
  
 Anyway, I still don't know it's because the CO2 or
the PH or maybe something else. But I did hear few
hobbyists also mentioned this problem back in
Taiwan(Amano shrimp is quite popular over there..and
cheap). 
 
 
 

--- "S. Hieber" <shieber@yahoo.com> wrote:
> A Good sign that CO2 is up around 40 ppm or higher
> is when
> the shrimp all hang out up at the surface :-(
> 
> I think it has to go even higher to kill them.
> 
> Scott H.
> --- Max Chang <cpc1007@yahoo.com> wrote:
> > Randy,
> >   I once accidently killed some of my Amano
> shrimps by
> > adding in too much CO2. But I am not sure if it's
> > because the CO2 itself or it's because the
> dramatic
> > decrease of PH (I was using very soft water at
> that
> > time). 
> >
> 
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